Test Back T1 Work.pdf

I. Which of the structures below is an aldehyde? ()

II

A. CII Cl12(11

/

I

0

B. CliCCF13 -

C

C. CII CFIC()1i

C .r

(

I). Cii C0Cil2

.

—..

2. What product results from the reaction of CH2==CH2 with Br2?

A. CIIBrCHBr /‘

/

B. CU,CHBr

C. CH3CH2Br D. C1I,BrCFI2I3r

(Total 1 mark) /

v I

Cc

What is the final product formed when CFI3CH2OH is refluxed with acidified potassium

dicbromate(VI)?

.(

ft1

A. CHCH0

1-

_{I ‘k}

_y

B. CH2==CH2

/

(

7

C. CH3COOH

(

I

i-i

D. HCOOCH3 (-

-(Tdtal I mark)

I

C

c_h’,

(Total 1 mark)

/

C

/

L

\/

I

...

I

I

C

2’

I

.

I

L

I

C

-

.

.,

F-I

/ _L C)

CF1

3

CC1f3

₁

;c.-410 :

b•€i

:t’

CH

3

CH,COH

t//

CH

3

COCH

3

.

I)

..

fc /,

( _C)

j

i.,-.

I —

(C)’i

IA,y(

A

(‘f

4

/(‘

(f /

v_ /-.—-—

5. Which substance(s) could be formed during the incomplete combustion of a hydrocarbon?

1. Carbon

II.

A. lonly B. landilonly C. IandIII only D. II andIII only

...f

17

4 (7

_D

I’

H

I

_-1

4 Which of the substances belosleastsoluble iiater

C)

A. CH2OHCHOHCH2OH

c

(—U

t

h’

7’

B.

N

D.

7cr

t

(

_h1

(Total 1 mark)

HI. Carbon monoxide

8. What is the IUPAC name for CFI3CII2CH(CH3)2?

-.

F]

C

—

i.

I

t&-

(

_I—i

_\

(Total 1 mark)

H

L

c-c

4

.

(

6-(Total 1 mark)

A. 1.1 -dimethylpropane

B. 2-methylbutane C. isopentane

D. ethyldimethylmethane

C

I

_{(Total 1 mark)}

6. Which trrnuIas represent butane or its iscmcr?

I. CH3(C117)?CH3

I-II. CII3CH(C113)CH3

III. (CH3)3CH

₁

A. I and II only

B. land 111

only

C. II

and

111 only

fr(

D, I, II

andill

L.

I

f_.

I-!

ç

k-c:

-7. Which statement about neighbouring members of all’ homologous

series

is correct?

k

A. They have the same empirical formula.

B. They differ by a CH2 group.

C. They possess different functional groups.

9. Which product is formed by the reaction between CFI2CH2 and H13r?

:

A. CFI3CH2Br

}.

(

I..

/

B.

CH

2

CHBr \. / /

C:c

t

7 ‘“ C. BrCHCHBr

j51

/fl _D. CH3CHBr2

H

(4

14

(Total 1 mark)

C

H I _c

I

I

—

c

I1(gF

_p

11

_/

/

i-I

10. Whichreaction(s) involve(s) the formation of a positive ion?

/4 _/ . .

/

I CH3CH2CH2Br+OW

_{+ L}

F

c

..j( II, (CH3)3CBr+OW .

.

‘(F’

1

A. lonly /-f

B. II only

₍

F’’

C. Bothiandli

f

f

D. Neither I nor II .

(

(Total 1 mark)

— -

I,.

/•t

.

/

/

-, .,

Zk

T1

r

11. Which compound has the lowest boiling point?—

H

_/4FV7

A CH3CH2CH(CH3)C113

_I

_Ih

/

L/,.’i7

—

B. (C113)4C /7 /

C. CH3CH2CH2CH2CII3 —

C

C

D CH3CH2OCH2CH3

(L

/

,‘ /

(Total 1 mark)

CH4

_pf

I-i

,//

7../

I / ( _i

/

LI

-

ç

-)..

k

/

H

/

/ f _{/ /} J

7

r

I - ‘

—

C

-12 What type of reaction does the equation below represent? CH,C11

2± Hr —. BrCII2CH,13r _—

A. substitution

11. condensation C. reduction

AiZ

A_U

D. addition

I I

—C

I

k

?-(Total I mark)

(Total 1 mark)

.1

c

F

4;

72

—-

__ (cr

H

I f

i_

c

‘1

;fr(

-13. Consider the Ihilowing compounds. /

I

I I

1. ClI3CFI2CH(OH)CH3 .

II. CII3CII(CH3)CH2OH // _/

3

iL,

Ill ((H1)3C011 c (-4

_p

‘“

//IC

c.’

The compounds a4reted separately wct diftpotassium dichroinate(VI) solution. Which will produce a colour change from orange to green?

A. landilonly B. I and 111 only

C. II and ill only

D. I, IIand III

C

)Ytr/i

.

7

;i

__7-,

y

_—

k

(

—

C

Lj (i I (

(

14. Which compound is a member of the same homologous series as I -chioropropane?

A. I -chioropropene

I

/

11

(1— C

c

-.c. —C

I

i!

(iç

_H

_Ctr

15. Which formula is a correct representation of pentane? c._

A CH3CH2CHCH2CJ / i

•1-•-_)

)

C. C113(CH2)3CH3

D. CH3(Cl13)3C113

7

(

—c

(Total 1 mark)

D. It involves homolytic fission and Cl. radicals.

(I

13. 1 -chlorobutane

C. 1-bromopropane

D.

7

1,1 -dichloropropane

B. (CH3CH2)2CH3

(Total 1 mark)

H

16. Which statement is correct about the reaction between methane and chlorine?

-—

I

A. It involves heterolytic fission and Cl ions.

B It involves heterolytic fission and Cl. radicals

(

C It involves homolytic fission and CF ions

ji_e

I

4 C(

i

\LVv:

H-::

Ee2v/1

.7

(Total 1 mark)

I

/ /

. yJ

t’iy’

c

1

,i/v’.

I

((

I — 1 .

hi’,

/J,f L /Jt

4=i

-17 Which formula is that of asecondary halogenoalkanc’ ‘,

A CH1CH2CH2CII2Br

‘— //

B. CH3CHBrC[12C1l,

C. (CH3)2CHCFI2B

I-1

D. (CH3)3CBr

I /

-‘

LI

/

18. Which compound is converted to butanal by acidified potassium dichromate(Vl) solution?

A. butan-l-ol

_f

){i4C Li

‘

L’ ‘fr

/ I I

f. _/ iLLt’ i 1 /_, (

B. butan-2-ol I _if

it(- C — C (I

C butanone

— /

/

D. butanoic acid - (i.,

I7)c’y/c

/71

L1icc4L(

—

A/c

C

‘if

—

19. How many structural isomers are possible with the molecular formula C6 H14?

/1

I I

1:

—

K H fif

i*l

-(Total I mark)

(

-(

-L

(Total 1 mark)

A. 4

B.

5

C, 6

D. 7

1-1

1-I

/--(

7-1

/1

I I

I

/

(i-

C

—:

C

—••c—-c

—

1

/

/

1

/

₎

/,/

k

i-•i

1-

/ (

/-/

)

2O Which compound is a member of the aldehyde homologous series?

A. Cl13C0C113 r

B. Cli CHCH2OH

cii 1 cii 2

coon

D CH3CH2CHO

(Total I mark)

21. Which typeofcompoimd can bemade in one step from a secondary alcohol? A analdehyde

— B analkane

C acarboxvlicacid D aketone

(Total 1 mark)

22. Which formula represents a tertiary alcohol?

A. Cl3 CI—CH,-—-CH3 B. CH3 CH—CFI-, Cl2— OH

CH,OH cn3

C. CH3 D. CH3

Cl 3

— C—CH2---—CH3 CH3—CH——— CR Cl3

OH OH

23. Which reaction type is typical for halogenoalkanes?

A. nucleophilic substitution 13 electrophiln. substitution C c1cxtropht11c addthon

D nucleophilic addition

(Total I mark)

24. Which substance isnot readily oxidized by acidified potassium dichromate(VI) solution? A. propan-1-ol

B. propan-2-ol C. propanal

D propanone c

(Total 1 mark)

25. What isthe correct name of this compound? CI13

CI1 3

A. 1 ,3-dimethylbutane

B. 2,4-dimethylbutane C. 2-methylbutane D. 2-methylpentane

26. Propane. C3118. undergoes incomplete combustion in a limited amount of air. ‘Which products are

most likely to be formed during this reaction?

A Carbon monoxide and water B. Carbon monoxide and hydrogen

C Carbon dioxidL and hydrogen

D. Carbon dioxide and water

(Total I mark)

27. What isJare the product(s) of the reaction between ethene and hydrogen bromide? A CH3CI-l2Br

B CH3CH,Br and H2

— 7

C CH213rCH2Br

D. CH3BrCH Br and Fl2

(Total 1 mark)

28. Which are characteristics typical of a free radical?

I. It has a lone pair of electrons.

II. It can be formed by the homolytic fission of a covalent Ill. Itisuncharged.

A. landlionly B. I and Ill only

C. II and III only

D. I, II andIII

29 Which of the following products could be formed from the oxidation of ethanol

I ethanal

II ethanoic acid III ethane

A landlionly B land III only C ilandlilonly fl I,IIandlIl

(Total 1 mark)

30. What is the reaction type when (C113)3CBr reacts with aqueous sodium hydroxide to form (CH

3 ) 3

COH and NaBr9

A Addition --:

B Elimination —

C Sl

a

SN2

(Total 1 mark)

31. Whichspecies is a free radical?

A •CH3

B. CH3

C CH3

D. :CH3

I I

33. Which species reacts mostreadily with propane? A. 13r2

B Br

Br

+

Br

L

32. Which compound is a tertiary halogeuoatkaric? A, (CH3CH,)7CHBr

13. QH3(Cl-l’,)3CH13r

C. (CH3),CHCII2CH2Br

, D. CH3CH2C(CH3)2Br

C. D.

(Total I mark)

(Total 1 mark)

34. An organic compoundXreacts with excess acidified potassium dichromate(VI) to form compound Y, which reacts with sodium carbonate to produce C02(g).

What is a possible formula for compoundX A. CH3CH2COOH

(

B. CH3CH2CH2OH .

C. CH3CH(OH)CH3 D. (CH3)3COH

*

If’ J

1••

I

35. Which statement about successive members of all homologous series is correct?

A. They have the same empirical formula.

B. They differ by a C112 group.

C fhcy hac the same physical properties D. They differ in theirdegreeof unsaturation.

36. The following is a three-dimensional representation of an organic molecule.

Which statement is correct?

A. The correct IUPAC name of the molecule is 2-methylpentane.

B. Allthebondangleswillbeapproximately9O°. C. One isomer of this molecule is pentane. *

D. The boiling point of this compound would be higher than that of pentane.

(Total 1 mark)

L.

. .

.:,

/

/

37. Which compound forms when hydrogen bromide is added to but2ene?

A. 2-brornobutanc

l 2,3-dibromobutane C 1-broinobutane

D 1,2-dibromobutam. r

(Total I mark)

38. Which products can be potentially obtained from crude oil and are economically important?

I. Plastics

IL Margarine I.

IlL Motor fuel A. landilonly

B. land Ill only C. II and III only

D I llandIll

t /

(Total 1mark)

39. Propane, C3H8, undergoes incomplete combustion in a limited amount of air. Which products are

most likely to be formed during this reaction?

A. Carbon monoxide and water

B. Carbon monoxide and hydrogen

C Carbon dioxide and hydrogen

D Carbon dioxide and water