• No results found

Jee 2014 Booklet2 Hwt Periodic Table

N/A
N/A
Info
Download
Protected

Academic year: 2021

Share "Jee 2014 Booklet2 Hwt Periodic Table"

Copied!
5
0
0

Loading.... (view fulltext now)

Download now ( 5 Page )

Full text

(1)

STUDENT’S SIGNATURE :

PARENT’S SIGNATURE :

This test contains a total of 10 Objective Type Questions.

Each question carries 1 mark. There is NO NEGATIVE marking.

Choose the correct alternative. Only one choice is correct.

1. Which of the following statements is incorrect ?

(A) Bohr’s periodic table is based on atomic numbers of the elements.

(B) Moseley’s periodic table is based on electronic configurations of the elements. (C) Bohr’s periodic table is based on atomic weights of the elements

(D) Longuett – Higgins’ periodic table is based on orbital energy

2. Which of the following statements is not correct about the long form of the periodic table ?

(A) It helps to predict the stable valency states of the elements.

(B) It reflects the sequence in which electrons fill up the subenergy levels s, p, d and f,

(C) It reflects the trends in physical and chemical properties of the elements.

(D) It helps to predict the relative ionicity of the bond between any two elements.

3. Which of the following classifications is incorrect ?

(A) The representative elements are metals and nonmetals in which s and p orbitals are filled. These elements are in groups 1, 2 and 13 – 17.

(B) The representative elements are metals and nonmetals in which s and p orbitals are filled. These elements are in groups1 and 2 only.

(C) The noble gases (group 18) are nonmetals and are placed at the end of each period.

(D) The transition elements are the metallic elements in which the d orbitals are filled. These elements are placed in group 3 – 12.

4. Which of the following is an allotrope of oxygen ?

(A) O (B) O4 (C) O3 (D) O2

5. Which of the following elements can be classified as a metalloid ?

(A) Hf (B) Bi (C) Te (D) Sn

6. Four elements have the following radii : 117pm, 122pm, 129pm and 134pm. The elements are V, Cr, Nb and Mo. Which one has the radius 117 pm ?

(A) V (B) Cr (C) Nb (D) Mo

7. Which of the following sets of elements belongs to group 15 (atomic numbers are given in each set) ?

(A) 7, 15, 23, 33 (B) 15, 33, 65, 115 (C) 7, 15, 33, 51 (D) 5, 13, 31, 49

8. The outermost electronic configuration of the most electronegative element along the following is :

(A) ns np2 3 (B) ns np2 4 (C) ns np2 5 (D) ns np2 6

9. How many elements are accommodated in the fifth period of the long form of the periodic table ?

(A) 8 (B) 10 (C) 18 (D) 32

10. Which of the following is the smallest in size ?

(2)

1. Which of the following electronic configuration corresponds to the element with the highest ionization energy ?

(A) [Ne] 3s 3p2 1 (B) [Ne] 3s 3p2 3 (C) [Ne] 3s 3p2 2 (D) [Ar]3d104s 4p2 2

2. Which electronic configurations of four elements are given below. Which of these elements does not belong to the same group as the other three ?

(A) [Xe]4f145d106s2 (B) [Kr] 4d 5s10 2 (C) [Ne]3s 3p2 2 (D) [Ar] 3d104s2

3. Which of the following pairs contains elements that are chemically dissimilar ?

(A) Na and K (B) Ba and Sr (C) Zr and Hf (D) Ca and Zn

4. Among the following elements, which one has the lowest value of first ionization energy ?

(A) Pb (B) Sn (C) S (D) C

5. Among the following elements, which one has the highest ionization energy ?

(A) Boron (B) Carbon (C) Oxygen (D) Nitrogen

6. If the Aufbau principle is not obeyed, the element calcium (at. no. 20) would then be called a/an

(A) s-block element (B) p-block element (C) d-block element (D) f-block element

7. Which of the following ions has the maximum hydration energy ?

(A) Al3 (B) Li (C) Cr3 (D) Ca2

8. Which of the following arrangements represents the correct order of increasing radius ?

(A) Mg2 K Se2 S2 (B) Mg2 K S2 Se2

(C) Se2S2Mg2 K (D) Mg2 Se2 K S2

9. Which of the following atoms would most easily form a cation ?

(A) B (B) Al (C) Si (D) C

10. Which of the following atoms could form an anion with -2 charge ?

(3)

ROLL NO.

START TIME :

END TIME :

TIME TAKEN:

STUDENT’S SIGNATURE :

PARENT’S SIGNATURE :

This test contains a total of 10 Objective Type Questions.

Each question carries 1 mark. There is NO NEGATIVE marking.

Choose the correct alternative. Only one choice is correct.

1. The series of the rare earth metals begins with :

(A) Cerium (B) actinium (C) uranium (D) lanthanum

2. Which of the following electronic configurations indicates the biggest jump between the second and third ionization energy values ?

(A) 1s 2s 2p2 2 2 (B) 1s 2s 2p 3s2 2 6 1 (C) 1s 2s 2p 3s1 2 6 2 (D) 1s 2s 2p2 2 1

3. Which of the following electronic configurations corresponds to the element with the highest electron affinity ?

(A) 1s 2s 2p2 2 5 (B) 1s 2s 2p2 2 4 (C) 1s 2s2 1 (D) 1s1

4. Which of the following elements is the most electronegative ?

(A) Carbon (B) Silicon (C) Lead (D) Tin

5. The most common oxidation state of the lanthanide elements is :

(A) +5 (B) +3 (C) +7 (D) +4

6. The correct order of decreasing radius of aquated Na , K and Li is :

(A) Na (aq) K (aq) Li (aq) (B) K (aq) Na (aq) Li (aq)

(C) Li (aq) Na (aq) K (aq) (D) K (aq) Li (aq) Na (aq)

7. Which of the following chemical changes can occur with the greatest ease ?

(A) NN1 (B) N1 N2 (C) N2 N3 (D) OO2

8. Which of the following arrangements shows the correct order of electron affinity of the four halogen atoms ?

(A) IBr F Cl (B) ClBr F I (C) Cl F BrI (D) F I BrCl

9. In which of the following pairs do both the elements show the inert-pair effect ?

(A) S and Po (B) Al and Ga (C) P and As (D) Sn and Pb

10. The electronic configuration an element is1s 2s 2p 3s 3p . What is the atomic number of the element which is just below the2 2 6 2 3 above element in the periodic table ?

(4)

1. Electron affinity of an atom is defined as

(A) The energy required to remove an electron from an isolated atom in its gaseous state

(B) The energy released when an electron is added to an isolated atom in its gaseous state

(C) The energy required to add an electron to an isolated atom in its gaseous state

(D) The ability of an atom to attract an electron

2. Consider the first ionization energies of the elements whose electronic configurations correspond to the following.

I. [He] 2s 2p2 3 II. [He]2s 2p2 4 III. [Ne]3s 3p2 1 IV. [Ar]3d104s1 Which of the above have almost the same first ionization energies?

(A) I and II (B) I and III (C) III and IV (D) II and IV

3. Which of the following arrangements show the correct order of increasing lattice energy ?

(A) LiFLiClLiBrLiI (B) NaFKFRbFCsF

(C) MgCO3CaCO3SrCO3BaCO3 (D) BaSO4SrSO4CaSO4MgSO4

4. Which of the following elements will not show the inert-pair effect ?

(A) Sn (B) Fe (C) Pb (D) In

5. Which of the following arrangements shows the correct order of increasing stability ?

(A) C2Ge2Sn2 Pb2 (B) N2 As2 Sb2 Bi2

(C) Cu2Co2 P2 N2 (D) Zn2 Cu2 As2Bi2

6. The element having the electronic configuration1s 2s 2p 3s 3p is :2 2 6 2 2

(A) a metal (B) a nonmetal (C) a noble gas (D) a metalloid

7. In the periodic table, with the increase in the atomic number, the metallic character of the elements :

(A) decreases along a period and increases down a group

(B) increases along a period and decreases down a group

(C) increases both along a period and down a group

(D) decreases both along a period and down a group

8. Which of the following molecules is isoelectronic with N O ?2

(A) NH3 (B) H O2 (C) NO2 (D) CO2

(5)

ROLL NO.

START TIME :

END TIME :

TIME TAKEN:

STUDENT’S SIGNATURE :

PARENT’S SIGNATURE :

This test contains a total of 10 Objective Type Questions.

Each question carries 1 mark. There is NO NEGATIVE marking.

Choose the correct alternative. Only one choice is correct.

1. Which of the following transformations is considered in defining ionization energy ?

(A) A(g)aqA (aq) e (B) A(g) e A (g)

(C) A(g)A (g) e (D) A(s)A (g) e

2. In which of the following properties is periodicity not exhibited by the elements ?

(A) Atomic radius (B) Atomic weight (C) Ionization energy (D) Electronegativity

3. The first ionization energy of Ar is less than that of Ne. An explanation of this fact is that :

(A) The effective nuclear charge experienced by a valence electron in Ar is much larger than that in Ne

(B) The effective nuclear charge experienced by a valence electron in Ar is much smaller than that in Ne

(C) The atomic radius of Ar is larger than that of Ne

(D) the atomic radius of Ar is smaller than that of Ne

4. According to the periodic law of elements, the variation in properties of elements is related to their :

(A) neutron-proton number radios (B) atomic masses

(C) nuclear masses (D) atomic numbers

5. Which one of the following groupings represents a collection of isoelectronic species (at. no. : Cs = 55, Br = 35) ?

(A) Ca2, Cs , Br (B) Na , Ca 2, Mg2(C) N3, F , Na  (D) Be, Al3, Cl

6. Which of the following elements never has an oxidation state +1 ?

(A) F (B) Cl (C) Br (D) I

7. The fifth period of modern periodic table includes.

(A) 8 elements (B) 18 elements (C) 32 elements (D) unknown elements

8. The first ionization potentials in electron volts of nitrogen and oxygen atoms are respectively given by :

(A) 14.6, 13.6 (B) 13.6, 14.6 (C) 13.6, 13.6 (D) 14.6, 14.6

9. Atomic radii of fluorine and neon in Angstrom units are respectively given by :

(A) 0.72, 1.60 (B) 1.60, 1.60 (C) 0.72, 0.72 (D) None of these values

10. Which of the following elements is expected to have maximum electronegativity ?

References

Download now ( PDF - 5 Page - 101.62 KB )

Related documents

Quiz On The Periodic Table Of Elements

Issues quiz questions with quiz on the periodic table elements in your students will defeat this game code will have no one question if you sure you sure you.. Double row of element

Groups On A Periodic Table Of Elements

The vertical columns on the periodic table are called groups or families because of six similar chemical behavior push the members of background family of elements have the same said

PERIODIC TABLE OF THE ELEMENTS

· The group of metals in between the main group elements are called the transition

Amount Of Elements On The Periodic Table

Nevertheless, the basis of the modern periodic table how well established and even used to haven the properties of undiscovered elements long before a concept examine the atomic

Classification Of Elements Worksheet Answer Key

How do electronic configurations of elements change in second period of periodic table with increase in atomic numbers.. Provide labels on the diagram of a nuclear reactor using

Periodic Table With Electronic Configuration Of Elements

Calculate atomic number, are tightly bound the table with configuration periodic of electronic energy tends to the organization of the valence electrons in the choices you and

Periodic Table of the Elements

s-block : The elements are located to the left of the periodic table and include the groups IA, IIA and end the electronic arrangement at the secondary energy level except

Periodic Classification of Elements

1. Newlands’ periodic table is based on atomic masses of elements and modern periodic table is based on atomic number of elements. Metals can gain electrons.. 3. Alloys bear