Aipmt Paper 2

Your Target is to secure Good Rank in Pre-Medical 2014

Path to Success



CAREER INSTITUTE

KOTA (RAJASTHAN) FORM NUMBER

CLASSROOM CONTACT PROGRAMME

(ACADEMIC SESSION 2013-2014)

PAPER CODE

 AIPMT (11

TH

_Syllabus)

0 1 C M 2 1 3 0 7 7

Corporate Office  CAREER INSTITUTE

“SANKALP”, CP-6, Indra Vihar, Kota (Rajasthan)-324005 Trin : +91 - 744 - 2436001 Fax : +91-744-2435003 E-Mail: [email protected] Website: www.allen.ac.in

Kota | Chandigarh | Ahmedabad

DATE : 19 - 01 - 2014

MAJOR TEST # 02

ENTHUSIAST COURSE

TARGET : PRE-MEDICAL 2014

INSTRUCTIONS (



)

1. A seat marked with Reg. No. will be allotted to each student. The student should ensure that he/she occupies the correct seat only. If any student is found to have occupied the seat of another student, both the students shall be removed from the examination and shall have to accept any other penalty imposed upon them.





2. Duration of Test is 3 Hours and Questions Paper Contains 180 Questions. The Max. Marks are 720.



3



180



720



3. Student can not use log tables and calculators or any other material in the examination hall.



4. Student must abide by the instructions issued during the examination, by the invigilators or the centre incharge.



5. Before attempting the question paper ensure that it contains all the pages and that no question is missing.



6. Each correct answer carries 4 marks, while 1 mark will be deducted for every wrong answer. Guessing of answer is harmful.





1





7. A candidate has to write his / her answers in the OMR sheet by darkening the appropriate bubble with the help of Blue / Black Ball

Point Pen only as the correct answer(s) of the question attempted.



OMR









8. Use of Pencil is strictly prohibited.



Do not open this Test Booklet until you are asked to do so /



Note : In case of any Correction in the test paper, please mail to [email protected] within 2 days along with Your Form No. & Complete Test Details.

      

Correction

   

Form No.

 

Test Details

     

BEWARE OF NEGATIVE MARKING

HAVE CONTROL



HAVE PATIENCE



HAVE CONFIDENCE



100% SUCCESS

1. A 3i 2 j kˆ ˆˆ. If A B is a unit vector along X-axis, then B is

:-(1) ˆi (2) ˆ2i 2 j k ˆˆ (3) 2i 2 j kˆ ˆˆ (4) 3iˆ ˆj kˆ

2. A cup of tea cools from 80°C to 60°C in 40 sec. The ambient temperature is 30°C. In cooling from 60°C to 50°C. It will takes

:-(Use Newton's law of cooling) (1) 35 sec (2) 30 sec (3) 32 sec (4) 48 sec

3. A golf ball of mass 0.05 kg placed on a tee, is struck by a golf stick. The speed of the golf ball as it leaves the tee is 100 m/s, the time of contact between them is 0.02 s. If the force decreases to zero linearly with time, then the force at the beginning of the contact is

:-(1) 500 N (2) 250 N (3) 200 N (4) 100 N

4. A metal ball falls from a height of 32 m on a steel plate. If the coefficient of restitution is 0.5, to what height will the ball rise after second bounce ?

(1) 2m (2) 4m

(3) 8m (4) 16m

5. A solid sphere falls with a terminal velocity of 20 m/s in air. If it is allowed to fall in vacuum :-(1) terminal velocity will be 20 m/s

(2) terminal velocity will be less than 20 m/s (3) terminal velocity will be greater than 20 m/s (4) no terminal velocity will be attained 6. Which of the following have same dimensions

:-(i) Work (ii) Energy

(iii) Power (iv) Torque (1) Only (i) and (ii)

(2) (i), (ii) & (iii) (3) (i), (ii) & (iv) (4) (ii), (iii) & (iv)

1. A 3i 2 j kˆ ˆˆ.



_{A B}_, X-





B

 

(1) ˆi (2) ˆ2i 2 j k ˆˆ (3) 2i 2 j kˆ ˆˆ (4) 3iˆ ˆj kˆ 2.



80°C



60°C



40 sec





30°C



60°C



50°C



  

  

(1) 35 sec (2) 30 sec (3) 32 sec (4) 48 sec 3.



0.05 kg







100 m/s



0.02







(1) 500 N (2) 250 N (3) 200 N (4) 100 N 4.



32 m





0.5





? (1) 2m (2) 4m (3) 8m (4) 16m 5.



(terminal velocity) 20 m/s





:-(1)



20 m/s



(2)



20 m/s



(3)



20 m/s



(4)



6.



(i)



(ii)



(iii)



(iv)



(1)



(i)



(ii)

(2) (i), (ii)



(iii) (3) (i), (ii)



(iv) (4) (ii), (iii)



(iv)

7. The velocity (v) of a body moving along the positive x-direction varies with displacement (x) from the origin as vk x, where k is a constant. Which of the graphs shown in figure correctly represents the displacement-time (x-t) graphs of the motion ? (1) x t O (2) x t O (3) x t O (4) x t O

8. The radius of gyration of a uniform disc about a line perpendicular to its plane is equal to its radius (r). Then the distance of that line from centre of disc is :-(1) r 2 (2) r 2 (3) r 3 (4) r 3 9. Six identical rods are joined end to end, to form

a hexagon mass of each rod is m and length is . Then moment of inertia of system w.r.t. an axis passing through centre and perpendicular to plane is

:-(1) 6m2 _{(2) 5m}2

(3) 10m2 _{(4) None}

10. Which of the following expressions does not represent SHM

:-(1) A cos t (2) A sin 2t (3) A sin t + B cost (4) A sin2 _t

11. A bread gives 5 kcals of heat to a person. How much height he can jump against gravity by using this energy if his efficiency is 30% and mass is 60 kg (1) 15.5 m (2) 10.5 m

(3) 2.5 m (4) 5 m

12. A police van moving on a highway with a speed of 36 km h–1 _{fires a bullet at a thief's car speeding away}

in the same direction with a speed of 108 km h–1_.

If the muzzle speed of the bullet is 140 ms–1_{, with}

what speed will the bullet hit the theif's car? (1) 120 ms–1 _{(2) 130 ms}–1 (3) 140 ms–1 _{(4) 150 ms}–1 7.



x-



(v),





(x)



vk x





k





(x-t)





(1) x t O (2) x t O (3) x t O (4) x t O 8.





(r)





:-(1) r 2 (2) r 2 (3) r 3 (4) r 3 9. m





    

  

    



:-(1) 6m2 _{(2) 5m}2 (3) 10m2 ₍₄₎



10.





:-(1) A cos t (2) A sin 2t (3) A sin t + B cost (4) A sin2 _t

11.



5 kcals





30%



60 kg



  

(1) 15.5 m (2) 10.5 m (3) 2.5 m (4) 5 m 12. 36 km h–1





108 km h–1







140 ms–1





(1) 120 ms–1 _{(2) 130 ms}–1 (3) 140 ms–1 _{(4) 150 ms}–1

13. A toy gun uses a spring of force constant k. When charged before being triggered in the upward direction, the spring is compressed by a distance x. If mass of the shot is m, on being triggered it will go upto a height of

:-(1) 2 kx mg (2) 2 x kmg (3) 2 kx 2mg (4) 2 2 k x mg 14. The least coefficient of friction for an inclined

plane inclined at an angle of 30° with horizontal, in order that a solid cylinder will roll down without slipping is :-(1) 1 3 (2) 1 3 (3) 1 3 3 (4) 3 15. Two springs of constants k1 and k2 have equal

highest velocities, when executing SHM. Then, the ratio of their amplitudes (given their masses are equal) will be

:-(1) k₁/k₂ (2) (k₁/k₂)1/2

(3) k2/k1 (4) (k2/k1)1/2

16. One gm of ice at 0°C is added to 5 g of water at 10°C. If the latent heat is 80 cal/g, final temperature of the mixture is

:-(1) 5°C (2) 0°C

(3) –5°C (4) None of these 17. A mass 'm' rests on a horizontal surface. The

coefficient of friction between the mass and surface is _s. The mass is pulled by a force 'F' as shown. Find limiting friction between the mass and the surface

:-(1) _s mg (2) _s[mg – ( 3 /2)F] m 30° F (3) _s[mg – F/2] (4) _s(mg + F/2)

18. If the system is in equilibrium in both the cases then value of m is :-16kg m 2 1 4kg m 2 1 (1) 4 kg (2) 8 kg (3) 16 kg (4) 32 kg 13.



k





x





m





:-(1) 2 kx mg (2) 2 x kmg (3) 2 kx 2mg (4) 2 2 k x mg 14.



30°





 

:-(1) 1 3 (2) 1 3 (3) 1 3 3 (4) 3 15. k₁



k₂







(



):-(1) k1/k2 (2) (k1/k2)1/2 (3) k₂/k₁ (4) (k₂/k₁)1/2 16.



0°C



1



5



10°C





80 cal/g



 

(1) 5°C (2) 0°C (3) –5°C (4)

 

17. m





_s





F





:-(1) _s mg (2) _s[mg – ( 3 /2)F] m 30° F (3) _s[mg – F/2] (4) _s(mg + F/2) 18.



m





:-16kg m 2 1 4kg m 2 1 (1) 4 kg (2) 8 kg (3) 16 kg (4) 32 kg

  

Key Filling

    

19. Two bodies of masses m and 4m are placed at a distance r. The gravitational potential at a point on the line joining them where the gravitational field is zero, is :-(1) –6Gm r (2) – 9Gm r (3) zero (4) – 4Gm r 20. Two simple harmonic motions of angular

frequency 100 rad/s and 1000 rad/s have the same displacement amplitude. The ratio of their maximum acceleration is

:-(1) 1 : 103 _{(2) 1 : 10}4

(3) 1 : 10 (4) 1 : 102

21. In the following figure, a P–V curve is drawn for a gas the work done in the process will be–

(1) 1 Joule (2) 2 Joule (3) 4 Joule (4) –2 Joule

22. Mass of a particle is 0.50 kg. It is moving initially with the speed of 80 m/s towards East. At t = 0, when particle is at x = 0, a force of 20 N directed towards west is being applied on it for 4 sec. Its position after 5 sec is

-(1) 80 m (2) 0 (3) –40 m (4) –80 m 23. A particle of mass m moving towards east with

speed v collides with another particle of same mass and moving towards the north with same speed v. If the two particles stick to each other the new particle of mass 2 m will have a speed of

:-(1) v (2) v/2

(3) v / 2 (4) v 2

24. Suppose the gravitational force varies inversely as the nth power of distance. Then the time period of a planet in circular orbit of radius R around the sun will be proportional

to-(1) n +1 2 R       ₍₂₎ n -1 2 R       (3) Rn (4) n -2 2 R       19.



m



4m



r







(1) –6Gm r (2) – 9Gm r (3)



(4) – 4Gm r 20. 100 rad/s



1000 rad/s







:-(1) 1 : 103 _{(2) 1 : 10}4 (3) 1 : 10 (4) 1 : 102 21.



P–V



   

(1) 1



(2) 2



(3) 4



(4) –2



22.



0.50 kg





80 m/s



t = 0





x = 0



20 N



4 sec



5 sec





-(1) 80 m (2) 0 (3) –40 m (4) –80 m 23.



v

 

m







(v)





2 m





:-(1) v (2) v/2 (3) v / 2 (4) v 2 24.

    

n



 



R







-(1) n +1 2 R       ₍₂₎ n -1 2 R       (3) Rn (4) n -2 2 R      

25. A body oscillates with an amplitude of 10 cm on a horizontal platform. The maximum angular frequency with which the platform can vibrate vertically such that the body of mass 10 kg will not leave contact, is

:-(1) 1 rad/sec (2) 10 rad/sec (3) 20 rad/sec (4) None of these 26. 140 calories of heat is required to raise the

temperature of 2 moles of a gas at constant pressure from 0°C to 10°C. How much heat will be required to heat it from 0°C to 10°C at constant volume :-(1) 60 cal (2) 100 cal

(3) 140 cal (4) 180 cal

27. Two billiards ball P and Q, each of mass 20g and moving in opposite directions with speed of 5m/s each, collide and rebound with the same speed. If the collision lasts for 10–3 _{sec, which of}

the following statement are true ?

(1) The impulse imparted to each ball is 0.8 N-s

(2) The impulse imparted to each ball is 0.4 N-s and the force exerted on each ball is 400 N

(3) The impulse imparted to each ball is 0.4 kg m/s and the force exerted on each ball is 4 × 10–5 _N

(4) The impulse and the force on each ball are equal in magnitude and opposite in direction 28. A block of mass m moving at a velocity collides with another block of mass 2m at rest. The lighter block comes to rest after collision. Then the coefficient of restitution is :-(1) 1 2 (2) 1 (3) 1 3 (4) 1 4

29. The height at which the acceleration due to gravity becomes g

9 (where g = the acceleration due to

gravity on the surface of the earth) in terms of R, the radius of the earth, is

:-(1) R 2 (2) 2R (3) 2R (4) R 2 25.



10 cm







10 kg



:-(1) 1 rad/sec (2) 10 rad/sec (3) 20 rad/sec (4)



26.



2



0°C



10°C.



140





0°C



10°C



  

:-(1) 60 cal (2) 100 cal (3) 140 cal (4) 180 cal 27.



20g



P



Q, 5 m/s





10–3 _sec,



(1)



0.8 N-s



(2)



0.4 N-s





400 N



(3)



0.4 kg m/s





4 × 10–5 _N



(4)





28. m



2m







:-(1) 1 2 (2) 1 (3) 1 3 (4) 1 4 29.



R





g₉ (



g =



)



:-(1) R 2 (2) 2R (3) 2R (4) R 2

30. The equation for the displacement of a stretched string is given by, y = 4 sin 2 t x

0.02 100

 



 

 .

Where, y and x are in cm and t in sec. The (i) frequency (ii) velocity of the wave

(iii) maximum particle velocity are :-(1) 50 Hz, 50 m/s, 20 m/s

(2) 50 Hz, 20 m/s, 50 m/s (3) 50 Hz, 50 m/s, 2 m/s (4) 50 Hz, 50 m/s, 4  m/s

31. If E_m refers to the maximum intensity of radiations and _m is the wavelength corresponding to the maximum intensity of radiations, the Wein's displacement law tells

that:-(1) Increase in E_m when temperature is increasing (2) Decreasee in E_m when temperature is

increasing

(3) Increase in _m when temperature is increasing (4) Decrease in _m when temperature is increasing 32. For which of the following graphs, the average velocity of a particle moving along a straight line for time interval 0 to t must be negative

:-(1) time t 0 x Position (2) time t 0 v Velocity (3) Velocity 0 t/3 t time ₍₄₎ Position 0 t x

33. A car of mass 1000 kg accelerates uniformly from rest to a velocity of 54 km/hr in 5 sec. The average power of the engine during this period in watt is :- (neglect friction) (1) 2000 (2) 22500 (3) 5000 (4) 2250 30.

       

y = 4 sin 2 t x 0.02 100       



y



x



t



(i)



(ii)



(iii)



:-(1) 50 Hz, 50 m/s, 20 m/s (2) 50 Hz, 20 m/s, 50 m/s (3) 50 Hz, 50 m/s, 2 m/s (4) 50 Hz, 50 m/s, 4  m/s 31.



E_m

   

_m

 

  

:-(1) E_m

 

(2) E_m

  

(3) _m

  

(4) _m

  

32.



0



t





(1) time t 0 x Position (2) time t 0 v Velocity (3) Velocity 0 t/3 t time (4) Position 0 t x 33. 1000





5



54







:- (

 

) (1) 2000 (2) 22500 (3) 5000 (4) 2250

34. A small ball of density  is immersed in a liquid of density  (>) to a depth h and released. The height above the surface of water up to which the ball will jump is

:-(1) _ – 1 h   (2) – 1 h         (3) 1 h    (4) 1 h    _   

35. A transverse wave is described by the equation y = y0sin 2 x ft      

 . The maximum particle velocity is equal to four times the wave velocity if (1)  = y0 4  (2)  = y0 2  (3)  = y₀ (4)  = 2y₀

36. The temperature of an ideal gas is –68°C. To what temperature should it be heated so that the average translational kinetic energy of the molecules be doubled

:-(1) 547°C (2) 137°C (3) –272°C (4) 820°C

37. Position vector of a particle is given as

2 ˆ 2 ˆ

r(t 4t6)i(t ) j 

. The time after which, the velocity vector and acceleration vector becomes perpendicular to each other is equal to :-(1) 1 sec (2) 2 sec

(3) 1.5 sec (4) 10 sec

38. A particle moves on a rough horizontal ground with initial velocity v₀. If (3/4)th _{of its kinetic}

energy is lost due to friction in time t₀, then coefficient of friction between the particle and the ground is :-(1) 0 0 v 2gt (2) 0 0 v 4gt (3) ₀ 3v 4gt (4) 0 0 v gt 39. The density of water at the surface of ocean is .

If the bulk modulus of water is B, then the density of ocean water at depth, when the pressure is p0

and p0 is the atmospheric pressure, is

:-(1)

_

_

0 pB B – – 1 p (2)

_

_

₀ pB B – 1 p (3) 0 pB B – p (4) ₀ pB B p 34.







 (>)



h





:-(1) – 1 h    (2) – 1 h         (3) 1 h    (4) 1 h         35.

     

y = y₀sin 2_ftx_   





:-(1)  = y0 4  (2)  = y0 2  (3)  = y0 (4)  = 2y0 36.



–68°C



 



:-(1) 547°C (2) 137°C (3) –272°C (4) 820°C 37.



2 _ˆ 2 _ˆ r(t 4t6)i(t ) j 

_





(1) 1 sec (2) 2 sec (3) 1.5 sec (4) 10 sec 38.



v₀





t₀



(3/4)th

      



:-(1) 0 0 v 2gt (2) 0 0 v 4gt (3) ₀ 3v 4gt (4) 0 0 v gt 39.









B





p₀



(p0



) (1)

_

_

0 pB B – – 1 p (2)

_

_

₀ pB B – 1 p (3) 0 pB B – p (4) ₀ pB B p

40. It takes 2.0 seconds for a sound wave to travel between two fixed points when the day temperature is 10°C. If the temperature rises to 30°C the sound wave travels between the same fixed points in

:-(1) 1.9 sec (2) 2.0 sec (3) 2.1 sec (4) 2.2 sec

41. The degree of freedom f for a gas is given by :-(1) 2CV R (2) V P V 2C C C

(3) _{ }2₁ (4) All the the above 42. Two bodies A and B of masses 15 kg and

10 kg in contact with each other rest on a table against a rigid wall as shown in the figure. Coefficient of friction between the bodies and the table is 0.2. If a force 300 N is applied horizontally to A, then force exerted by B on A is

:-15 kg 10 kg A B 300 N

(1) Zero (2) 150 N

(3) 250 N (4) 300 N

43. Four rods AB, BC, CD and DA have mass m, 2m, 3m and 4m respectively. The centre of mass of all the four rods

:-A B

C D

1 2

3 04

(1) Lie in region 1 (2) Lie in region 2 (3) Lie in region 3 (4) Lie at 0

44. Two wires of the same material and same mass are stretched by the same force. Their lengths are in the ratio 2 : 3. Their elongations are in the ratio:-(1) 3 : 2 (2) 2 : 3 (3) 4 : 9 (4) 9 : 4 45. The frequency of a tuning fork is 256 Hz. The

velocity of sound in air is 344 ms–1_{. The distance}

travelled (in meters) by the sound during the time in which the tuning fork completes 32 vibrations is :-(1) 21 (2) 43 (3) 86 (4) 129 40.



10°C





2





30°C





:-(1) 1.9 sec (2) 2.0 sec (3) 2.1 sec (4) 2.2 sec 41.



f



:-(1) 2CV R (2) V P V 2C C C (3) _{ }2₁ (4)



42.



15 kg



10 kg



A



B







0.2.



A



300 N





B



A



15 kg 10 kg A B 300 N (1)



(2) 150 N (3) 250 N (4) 300 N 43. m, 2m, 3m



4m



AB, BC, CD



DA





:-A B C D 1 2 3 04 (1)



1

 

(2)



2

 

(3)



3

 

(4) 0



44.





2 : 3



:-(1) 3 : 2 (2) 2 : 3 (3) 4 : 9 (4) 9 : 4 45.

   

256 Hz

  

  

344 ms–1

    



32

     

     

:-(1) 21 (2) 43 (3) 86 (4) 129

46. What is the total number of electrons present in 18 ml of water :-(1) 10 (2) 10 × 6.023 × 1023 (3) 23 10 6.023 10 (4) 6.02 × 1023 47. H₂O₂ can oxidise :-(1) Mn2+ in alkaline medium (2) MnO₄– in acidic medium (3) F– in acidic medium (4) All

48. Which of the following is correct

:-(1) If under some conditions, CCl₄ & SiCl₄ hydrolyse then K_c for CCl₄ hydrolysis will be larger (K_c = equilibrium constant) (2) If under some conditions, CCl₄ & SiCl₄

hydrolyse then K_c for SiCl₄ hydrolysis will be larger

(3) K_c for CCl₄ hydrolysis = K_c for SiCl₄ hydrolysis

(4) None

49. Consider the following two reactions : (i) Propene + H₂  Propane, H₁ (ii) Cyclopropane + H₂  Propane, H₂ Then, H₂ – H₁ will be : (1) 0 (2) 2BE_{C – C} – BE_{C = C} (3) BE_{C = C} (4) 2BE_{C = C} – BE_{C – C} 50. O–C O  NO2 Product is :-(1) O–C O NO2 (2) O–C O NO2 (3) O–C O O N2 (4) _O–C O NO2 46. 18 ml



:-(1) 10 (2) 10 × 6.023 × 1023 (3) 23 10 6.023 10 (4) 6.02 × 1023 47. H₂O₂



:-(1)



Mn2+



(2)



MnO₄–



(3)



F–



(4)



48.



:-(1)



CCl₄



SiCl₄





CCl₄



K_c



(K_c = equilibrium constant) (2)



CCl₄



SiCl₄





SiCl₄



K_c



(K_c = equilibrium constant) (3) CCl₄



K_c = SiCl₄





K_c (4)



49.



(i) Propene + H₂  Propane, H₁ (ii) Cyclopropane + H₂  Propane, H₂ H₂ – H₁



(1) 0 (2) 2BE_{C – C} – BE_{C = C} (3) BE_{C = C} (4) 2BE_{C = C} – BE_{C – C} 50. O–C O  NO2



:-(1) O–C O NO2 (2) O–C O NO2 (3) O–C O O N2 (4) _O–C O NO₂

51. 6 × 1020 _{molecules of CO}

2 are removed from 220 milligram of CO₂. What are the remaining moles of CO₂

:-(1) 4 × 10-3_{moles (2) 5 × 10}-3 _moles (3) 2 × 10-3 moles (4) 6 × 10-3 moles 52. No. of pair of F atoms which subtents 90° angle

on S in SF₆ will be

:-(1) 6 (2) 8

(3) 12 (4) 16

53. Symmetrical H bonding will occur in :-(1) HF---HF (2) H H H O---H–O H + (3) F---H–F (4) All

54. For the reaction PCl₅(g) PCl₃(g) + Cl₂(g), the forward reaction at constant temperature is favoured by

:-(i) Introducing inert gas at constant volume (ii) Introducing Cl₂ gas at constant volume (iii) Introducing an inert gas at constant pressure (iv) Increasing the pressure of the container (v) Introducing PCl₅

(1) (iii), (iv) & (v) (2) (iii) & (v) (3) (i), (ii) & (v) (4) Only (iii)

55. The correct increasing order of reactivity for following molecules towards electrophilic aromatic substitution. OH NO₂ OH

OMe

OH OH

Cl

(I) (II) (III) (IV)

(1) I < IV < II < III (2) I < IV < III < II (3) I < III < II < IV (4) I < III < IV < II

56. What is the empirical formula of the compound containing H, C, O and N in the mass ratio of 1 : 3 : 4 : 7 respectively :-(1) HC₃O₄N₇ (2) H₄CON₂ (3) HC₄O₂N₂ (4) None 51. 220



CO₂



6 × 1020





CO₂



:-(1) 4 × 10-3



(2) 5 × 10-3



(3) 2 × 10-3



_{(4) 6 × 10}-3



52. F



S



90°





:-(1) 6 (2) 8 (3) 12 (4) 16 53. Symmetrical H bonding



:-(1) HF---HF (2) H H H O---H–O H + (3) F---H–F (4)



54.



PCl₅(g) PCl₃(g) + Cl₂(g)





:-(i)



(ii)



Cl₂



(iii)



(iv)



(v) PCl₅



(1) (iii), (iv) & (v) (2) (iii) & (v) (3) (i), (ii) & (v) (4) Only (iii)

55.





OH NO2 OH

OMe

OH _OH

Cl

(I) (II) (III) (IV)

(1) I < IV < II < III (2) I < IV < III < II (3) I < III < II < IV (4) I < III < IV < II 56.



H, C, O



N



1 : 3 : 4 : 7



:-(1) HC₃O₄N₇ (2) H₄CON₂ (3) HC₄O₂N₂ (4)



57. Which is correctly matched

Compound No. of No. of pp  dp

(1) SO₃ 3 0

(2) SO₂ 1 0

(3) XeO₃ 2 1

(4) POCl₃ 0 1

58. 200 mL gas A at 300 torr and 300 mL gas B at 200 torr are taken in a container of 2L. Then find out partial pressure of gas A in mixture. (1) 20 torr (2) 30 torr (3) 50 torr (4) 100 torr 59. If degree of ionisation of 0.001 M CH₃COOH is 2 × 10–2 _{%. Then find out the ionisation} constant of acetate ion :-(1) 2 × 10–11 (2) 4 × 10–11 (3) 2.5 × 10–4 (4) 2.5 × 10–3 60. Which of the following compounds is most basic ? (1) –NH2 (2) –NH 2 O N–2 (3) –CH NH2 2 • • (4) –N–COCH3 • • H 61. The energy of the electron in the first orbit of He+ _{is –871.6 × 10}–20 _{J. The energy of the} electron in the first orbit of hydrogen would be:-(1) –871.6 × 10–20 J (2) –435.8 × 10–20 J (3) –217.9 × 10–20 _{J (4) –108.9 × 10}–20 _J 62. Which correctly matched Facts Reason (1) Aq. solution of K_a of H₃BO₃ < 10–7 Borax is alkaline (2) In recovery of NH₃ N H4  generate NH₃ from NH₄Cl in solvay in acidic medium process, acidic due to acid base medium is required reaction (3) SnCl₄ can be reduced Due to inert pair by Cr₂(SO₄)₃ effect, SnCl₂ is more stable than SnCl₄ (4) AlCl₃ can form non In dimer form of planar dimer AlCl₃, hybridisation of Al = sp2 57.



Compound No. of No. of pp  dp (1) SO₃ 3 0 (2) SO₂ 1 0 (3) XeO₃ 2 1 (4) POCl₃ 0 1 58.



2 L



300 torr



200 mL



A



200 torr



300 mL



B



A





(1) 20 torr (2) 30 torr (3) 50 torr (4) 100 torr 59.



0.001 M CH₃COOH

 

2 × 10–2 _%





:-(1) 2 × 10–11 (2) 4 × 10–11 (3) 2.5 × 10–4 (4) 2.5 × 10–3 60.



? (1) –NH2 (2) O N–₂ –NH₂ (3) –CH NH2 2 • • (4) –N–COCH3 • • H 61. He+



_{–871.6 × 10}–20 _J



:-(1) –871.6 × 10–20 J (2) –435.8 × 10–20 J (3) –217.9 × 10–20 _{J (4) –108.9 × 10}–20 _J 62.







(1) Borax



H₃BO₃



K_a < 10–7



(2) solvay



NH₄Cl N H4 





NH₃





NH₃











(3) SnCl₄



Cr₂(SO₄)₃







SnCl₂, SnCl₄







(4) AlCl₃



AlCl₃



Al





= sp2

63. Rate of diffusion of NH₃ is double of X₂ gas. Then find out molecular weight of X₂ gas.

(1) 68 (2) 17

(3) 34 (4) 136

64. A buffer solution with pH = 9 is to be prepared by mixing NH₄Cl and NH₄OH. Calculate the number of moles of NH₄Cl that should be added to one litre of 1.0 M NH₄OH [K_b = 1.8 × 10–5]

(1) 3.4 (2) 2.6

(3) 1.5 (4) 1.8

65. Among the following four compounds :-(a) phenol (b) methyl phenol (c) metanitrophenol (d) paranitrophenol, The acidity order is :

(1) c > d > a > b (2) c > d > c > b (3) b > a > c > d (4) d > c > a > b 66. The first emission line in the atomic spectrum

of hydrogen in the Balmer series appears at :-(1) 5Rcm 1 36  (2) 3Rcm 1 4  (3) 7Rcm 1 144  (4) 9Rcm 1 400 

67. Which is correct order

:-(1) Cl₂ < F₂ < Br₂ < I₂ (Bond length) (2) F₂ > Cl₂ > I₂ > Br₂ (Oxidising power) (3) F > Cl > Br > I (Electron affinity) (4) HF < HCl < HBr < HI (acidic order) 68. A compound of Xe and F is found to have

53.5% Xe. What is the oxidation number of Xe in this compound ? [Atomic weight of X_e = 132]

(1) –4 (2) 0 (3) +4 (4) +6 69. Which of the following are tertiary radicals :–

(a) CH3 CH3 C CH3 (b) CH3 CH CH3 (c) CH₃ C CH3 C H2 5 (d) CH3 C CH3 CH2 CH3 (1) a and b (2) b and c (3) a and c (4) b and d 63.



NH₃



X₂





X₂



(1) 68 (2) 17 (3) 34 (4) 136 64. pH = 9



NH₄Cl



NH₄OH





1.0 M NH₄OH





NH₄Cl



[K_b = 1.8 × 10–5] (1) 3.4 (2) 2.6 (3) 1.5 (4) 1.8 65.



:-(a)



(b)



(c)



(d)



,



: (1) c > d > a > b (2) a > d > c > b (3) b > a > c > d (4) d > c > a > b 66.





:-(1) 5Rcm 1 36  (2) 3Rcm 1 4  (3) 7Rcm 1 144  (4) 9R cm 1 400  67.



:-(1) Cl₂ < F₂ < Br₂ < I₂ (



) (2) F₂ > Cl₂ > I₂ > Br₂ (



) (3) F > Cl > Br > I (



) (4) HF < HCl < HBr < HI (



) 68. Xe



F



53.5% Xe



Xe



[X_e



= 132] (1) –4 (2) 0 (3) +4 (4) +6 69.



(3°)



(a) CH3 CH3 C CH3 (b) CH3 CH CH3 (c) CH₃ C CH3 C H2 5 (d) CH3 C CH3 CH2 CH3 (1) a



b (2) b



c (3) a



c (4) b



d

      

70. Hydration of C CH in presence of H₂SO₄ / HgSO₄ gives (1) COCH3 (2) CH CH OH2 2 (3) CH CH2 3 (4) CH CHO2

71. Out of first four ordits of H-atom. The radius ratio of two orbits is 1: 4. The difference of energy of these orbits will be

:-(1) 12.09 eV or 3.4 eV (2) 13.6 eV or 3.4 eV (3) 2.55 eV or 10.2 eV (4) 3.4 eV or 0.85 eV 72. Which statement is correct

:-(1) Na + Liq NH₃ can act as reducing agent (2) KO₂ can oxidise CO₂ into O₂

(3) Both Li₃N & Mg₃N₂ can exist (4) All

73. Which of the following oxides cannot work as a reducing agent?

(1) CO₂ (2) NO₂ (3) SO₂ (4) ClO₂

74. The IUPAC name for

H C=O OH is :-(1) 2–Hydroxy cyclopentanal (2) 2–Formyl–1–hydroxy cyclopentane (3) 2–Hydroxy cyclopentane carbaldehyde (4) Cyclopentane–2–ol–1–al

75. The major product obtained on treatment of CH₃CH₂CH(F)CH₃ with CH₃O–/CH₃OH is (1) CH₃CH₂CH(OCH₃)CH₃

(2) CH₃CH CHCH₃ (3) CH₃CH₂CH CH₂ (4) CH₃CH₂CH₂CH₂OCH₃

76. The no. of C-C links in fullerine is x. Then total C in fullerine is :-(1) 2x 3 (2) 5 x 6 (3) 6x 5 (4) x 3 70. C CH



H₂SO₄ / HgSO₄





(1) COCH3 (2) CH CH OH2 2 (3) CH CH2 3 (4) CH CHO2 71. H-





1 : 4



:-(1) 12.09 eV



3.4 eV (2) 13.6 eV



3.4 eV (3) 2.55 eV



10.2 eV (4) 3.4 eV



0.85 eV 72.



:-(1) Na + Liq NH₃



(2) KO₂, CO₂,



O₂



(3) Li₃N



Mg₃N₂



(4)



73.





(1) CO₂ (2) NO₂ (3) SO₂ (4) ClO₂ 74. H C=O OH



IUPAC



(1) 2–



(2) 2–



–1–



(3) 2–



(4)



–2–



–1–



75. CH₃CH₂CH(F)CH₃



CH₃O–/CH₃OH





(1) CH₃CH₂CH(OCH₃)CH₃ (2) CH₃CH CHCH₃ (3) CH₃CH₂CH CH₂ (4) CH₃CH₂CH₂CH₂OCH₃

76. fullerine



C-C links



x



fullerine



C



:-(1) 2x 3 (2) 5 x 6 (3) 6x 5 (4) x 3



77. Which of the following compounds can not exist? (a) K₂[CuI₄] (b) TlI₃ (c) PbI₂ (d) SCl₆ Correct code is

:-(1) c, d (2) a, b (3) a, d (4) a, c, d 78. For the process H₂O() (1 bar, 373 K) H₂O(g)

(1 bar, 373 K), the correct set of thermodynamic parameters is :

(1) G = 0, S = +ve (2) G = 0, S = –ve (3) G = +ve, S = 0 (4) G = –ve, S = +ve 79. The IUPAC name of the given compound is

:-Br Cl CHO

(1) (2R, 4Z)-4-bromo-2-chloro-2-methyl-4-hexenal (2) (2R, 4E)-4-bromo-2-chloro-2-methyl-4-hexenal (3) (2Z, 5R)-3-bromo-5-chloro-5-formyl-2-hexene (4) (2S, 4E)-4-bromo-2-chloro-2-methyl-4-hexenal 80. If water pollution continues at its present rate,

it will eventually :-(1) Stop water cycle (2) Prevent precipitation

(3) Make oxygen molecules unavailable to water plants

(4) Make nitrate molecules unavailable to water plants

81. Which statement is correct

:-(1) IP of Cl > EA of Cl [IP = Ionisation potential EA = electron affinitiy] (2) Conduction of H+ _{< Conduction of Li}+ (3) IP of F– > IP of Cl–

(4) All

82. H₂ can't be prepared using :-(1) electrolysis Ba(OH) solution + Ni electrode 2 – H O2 (2) Zn _{}dil.H SO2 4_ (3) Zn Conc.HNO3 

(4) NaCl aq. solution _{Hg Cathode}electrolysis_ 

83. The species which by definition has zero standard molar enthalpy of formation at 298 K is (1) Br₂(g) (2) Cl₂(g) (3) H₂O (g) (4) CH₄ (g)

84. The minimum number of carbon atoms in ketone to show metamerism :–

(1) 3 (2) 4 (3) 5 (4) 6

77.



?

(a) K₂[CuI₄] (b) TlI₃ (c) PbI₂ (d) SCl₆



:-(1) c, d (2) a, b (3) a, d (4) a, c, d

78.



H₂O() (1 bar, 373 K) H₂O(g) (1 bar, 373 K),



(1) G = 0, S = +ve (2) G = 0, S = –ve (3) G = +ve, S = 0 (4) G = –ve, S = +ve

79.



IUPAC



:-Br Cl CHO (1) (2R, 4Z)-4-



-2-



-2-



-4-



(2) (2R, 4E)-4-



-2-



-2-



-4-



(3) (2Z, 5R)-3-



-5-



-5-



-2-



(4) (2S, 4E)-4-



-2-



-2-



-4-



80.



:-(1)



(2)



(3)



(4)



81.



:-(1) IP of Cl > EA of Cl [IP =



EA =



] (2) H+



_{< Li}+



(3) IP of F– > IP of Cl– (4)



82. H₂



:-(1)



Ba(OH) solution + Ni electrode 2 – H O2 (2) Zn _{}dil.H SO2 4_ (3) Zn Conc.HNO3 

(4) NaCl aq. solution _{Hg Cathode}electrolysis_ 

83.





(1) Br₂(g) (2) Cl₂(g) (3) H₂O (g) (4) CH₄ (g) 84.





:– (1) 3 (2) 4 (3) 5 (4) 6