1

Which of the alkali metals is smallest in size?

 

a) Rb

 

b) K

 

c) Na

 

d) Li

2

Which of the following ions has the smallest radius?

 

a) Be2+

 

b) Li+

 

c) O2-

 

d) F-

3

Which of the following has largest radius?

 

a) Mg2+

 

b) Na+

 

c) O2-

 

d) F-

4

Which has the maximum atomic radius?

 

a) Al

 

b) Si

 

c) F

 

d) Mg

5

Which of the following is the biggest ion?

 

a) Al3+

 

b) Ba2+

 

c) Mg2+

 

d) Na+

6

Which of the following will have largest size?

 

a) Br

 

b) I-

 

c) I

 

d) F

7

Which one of the following is smallest in size?

 

a) N3-

 

b) O2-

 

c) Na+

 

d) F-

 

 

 

 

 

 

 

 

8

In the long form of periodic table,the elements having lowest ionization potentials are present in

 

a) I group

 

b) IV group

 

c) VII group

 

d) zero group

9

Which of the following elements will have the lowest first ionization energy?

 

a) Mg

 

b) Rb

 

c) Li

 

d) Ca

10

The first ionization of lithium will be

 

a) greater than Be

 

b) Less than Be

 

c) equal to Be

 

d) equal to F

11

In a group of the periodic table the ionization potentials of elements decrease from top to bottom because of

 

a) increase in densities

 

b) increase in atomic size

 

c) decrease in electronegativity

 

d) decrease in chemical reactivity

12

Which of the following electronic configuration corresponds to an elements having lowest ionization energy?

 

a) 1s2 2s2 2p6

 

b) 1s2 2s2 2p6 3s1

 

c) 1s2 2s2 2p5

 

d) 1s2 2s2 2p3

13

In a period from Li to F,ionisation potential

 

a) Increases

 

b) Decreases

 

c) Remains same

 

d) None of the above

14

From left to right in a given row in periodic table ,ionization energy?

 

a) Remains same

 

b) Increases

 

c) Decreases

 

d) First increases and then decreases

 

 

 

 

 

 

15

Which of the following has the lowest ionization potential?

 

a) 3d3

 

b) 4s1

 

c) 3p6

 

d) 2p6

16

Which has maximum first ionization potential?

 

a) C

 

b) N

 

c) B

 

d) O

17

The ionization energy of nitrogen is more than that of oxygen because

 

a) Of the extra stability of half filled p orbitals in nitrogen

 

b) Of the smaller size of nitrogen

 

c) nitrogen contains less number of electrons.

 

d) nitrogen is less electronegative.

18

Ionisation potential is lowest for

 

a) Halogens

 

b) Inert gaseous

 

c) Alkaline earth metals

 

d) Alkali metals

19

Which of the following elements has highest ionization energy?

 

a) [Ne] 3s2 3p1

 

b) [Ne] 3s2 3p2

 

c) [Ne] 3s2 3p3

 

d) [Ne] 3s2 3p4

20

Which has least ionization potential ?

 

a) Li

 

b) Cl

 

c) K

 

d) Cs

21

Which of the following elements has the lowest ionization potential?

 

a) N

 

b) O

 

c) F

 

d) Ne

22

Which element has greatest tendency to loose electrons?

 

a) Fr

 

b) F

 

c) Li

 

d) C

 

 

23

Electronegativity is a measure of the capacity of an atom to

 

a) Attract electrons

 

b) Attract protons

 

c) Repel electrons

 

d) Repel protons

24

Of the following elements, which one has the highest electronegativity?

 

a) I

 

b) Br

 

c) Cl

 

d) F

25

Which of the following has maximum electronegativity?

 

a) Al

 

b) S

 

c) Cl

 

d) Si

26

Which element has the lowest electronegativity?

 

a) O

 

b) F

 

c) Li

 

d) C

27

Which is the most electropositive element?

 

a) Cs

 

b) F

 

c) Li

 

d) N

28

Which of the following elements has the maximum electron affinity ?

 

a) F

 

b) Cl

 

c) Br

 

d) I

29

Which of the following elements has zero electron affinity?

 

a) C

 

b) O

 

c) Cl

 

d) Ne

30

The strongest reducing agent is

 

a) K

 

b) Al

 

c) Mg

 

d) Br

31

The distance between centre of atom and electrons in the last orbit is called

 

a) Atomic radius

 

b) Ionic radius

 

c) Covalent radius

 

d) Ionisation potential

32

The half of the distance between two nuclei of two like atoms bonded together by covalent bond is called

 

a) Atomic radius

 

b) Ionic radius

 

c) Covalent radius

 

d) metallic radius

33

When two different electronegative atom bonded together then covalent radius can be calculated by

 

a) A – B = rA - rB – 0.09 (χ A – χ B)

 

b) A – B = rA + rB – 0.09 (χ A + χ B)

 

c) A – B = rA + rB – 0.09 (χ A – χ B)

 

d) A – B = rA + rB + 0.09 (χ A + χ B)

34

Which of the following radii is non bonded ?

 

a) Atomic radii

 

b) Vander waal’s radii

 

c) Covalent radii

 

d) metallic radii

35

Which is smaller than metallic radius?

 

a) Vander waal’s radii

 

b) Covalent radii

 

c) Both Vander waals and covalent radius

 

d) None of these

36

Atomic radius deceases from left to right in periodic table because

 

a) Metallic character decreases

 

b) Ionisation potential increases

 

c) Effective charge increases

 

d) Non metallic character increases

37

Which of the following elements has low electron affinity?

 

a) C

 

b) N

 

c) Cl

 

d) F

 

 

 

 

 

 

 

 

38

Which of the following factor is not affect on ionization potential?

 

a) Atomic Size

 

b) Effective nuclear charge

 

c) Screening effect

 

d) density

39

Ionisation potential decreases from top to bottam in any group because

 

a) Effective nuclear charge increases

 

b) metallic character increases

 

c) Screening effect increases

 

d) Density increases

40

The energy is required to remove outermost shell electron in an atom to form cation is called

 

a) Ionisation potential

 

b) electronegativity

 

c) Electron affinity

 

d) Electropositivity

41

The energy is removed when extra electron is added to outermost shell of atom to form anion is called

 

a) Ionisation potential

 

b) electronegativity

 

c) Electron affinity

 

d) Electropositivity

42

Ionisation potential is a

 

a) Endothermic process

 

b) Exothermic process

 

c) Adiabetic Process

 

d) None of these

43

First electron affinity is a

 

a) Endothermic process

 

b) Exothermic process

 

c) Adiabetic Process

 

d) None of these

44

Second electron affinity is a

 

a) Endothermic process

 

b) Exothermic process

 

c) Adiabetic Process

 

d) None of these

 

 

 

 

 

 

 

 

45

Ionisation potential is not measured in

 

a) KJ/Mole

 

b) ev/atom

 

c) Kcal/mole

 

d) Kg/mole

46

Atomic and ionic radius is measured in

 

a) KJ/Mole

 

b) A0

 

c) cm

 

d) Kg/mole

47

Distance between two nuclei of two atoms is called

 

a) Ionisation potential

 

b) Atomic radius

 

c) Ionic radius

 

d) Internuclear distance

48

Electronegativity increases with

 

a) increase oxidation state of atom

 

b) decrease oxidation state of atom

 

c) increase metallic character

 

d) all of these

49

Tendency to attract bonded electro pair towards itself is called

 

a) Ionisation potential

 

b) Electronegativity

 

c) Electron affinity

 

d) Electropositivity

50

The electronegativity difference is more than 1.7 , the bond will be

 

a) More ionic

 

b) More covalent

 

c) 50% ionic and 50% covalent

 

d) 100% covalent

51

The electronegativity difference is less than 1.7 , the bond will be

 

a) More ionic

 

b) More covalent

 

c) 50% ionic and 50% covalent

 

d) 100% covalent

52

The electronegativity difference is equal to 1.7, the bond will be

 

a) More ionic

 

b) More covalent

 

c) 50% ionic and 50% covalent

 

d) 100% covalent

53

The electronegativity of central atom increases in an molecules, bond angle will be

 

a) Increases

 

b) Decreases

 

c) Remains same

 

d) None of these

54

The electronegativity of Surrounding atom increases in an molecules, bond angle will be

 

a) Increases

 

b) Decreases

 

c) Remains same

 

d) None of these

55

Which of the following is not affect on Ionic radius ?

 

a) Z/e ratio

 

b) Effective nuclear charge

 

c) Remove outer shell electron

 

d) melting point

56

Which symbol is used for Electronegativity ?

 

a) γ

 

b)


 

c) χ

 

d)