Classification of Elements & Periodicity-Ionization Enthalpy (KVPY Stream SB-SX (Class 12 & 1st Year BSC) Chemistry): Questions 1 - 6 of 11

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Question number: 1

» Classification of Elements & Periodicity » Ionization Enthalpy

Appeared in Year: 2015

MCQ▾

Question

The electronic configuration of an element with the largest difference between the 1st&2nd ionization energies is-

Choices

Choice (4) Response
a.

1s22s22p6

b.

1s22s22p63s1

c.

1s22s22p63s2

d.

1s22s22p1

Question number: 2

» Classification of Elements & Periodicity » Ionization Enthalpy

MCQ▾

Question

Choose the correct order of ionization energy order for the given species:

Choices

Choice (4) Response
a.

O>S>S>O

b.

F>F>Cl>Cl

c.

O>O>S>S

d.

F>Cl>Cl>F

Question number: 3

» Classification of Elements & Periodicity » Ionization Enthalpy

MCQ▾

Question

The first four ionization energy values of an element are 190, 580, 870 and 5960 kcal. The number of valence electrons in the element is -

Choices

Choice (4) Response
a.

2

b.

1

c.

3

d.

4

Question number: 4

» Classification of Elements & Periodicity » Ionization Enthalpy

MCQ▾

Question

Which of the following configuration is associated with biggest jump between second & third I. E. ?

Choices

Choice (4) Response
a.

1s2,2s2,2p2

b.

1s2,2s2,2p6,3s1

c.

1s2,2s2,2p6,3s2

d.

1s2,2s2,2p1

Question number: 5

» Classification of Elements & Periodicity » Ionization Enthalpy

MCQ▾

Question

Maximum heat will be required for-

Choices

Choice (4) Response
a.

O2O+O

b.

O2O+O

c.

O22O+O

d.

O2+O++O

Question number: 6

» Classification of Elements & Periodicity » Ionization Enthalpy

MCQ▾

Question

Among lithium, nitrogen, carbon and oxygen, which element has the highest first ionization potential?

Choices

Choice (4) Response
a.

Oxygen

b.

Nitrogen

c.

Lithium

d.

Carbon

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