Classification of Elements & Periodicity-Isoelectronic Species (KVPY Stream SB-SX (Class 12 & 1st Year BSC) Chemistry): Questions 1 - 5 of 5

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Question number: 1

» Classification of Elements & Periodicity » Isoelectronic Species

Appeared in Year: 2013

MCQ▾

Question

Among the following, the set of isoelectronic ions is:

Choices

Choice (4) Response
a.

Na,Mg2,F,Cl2

b.

Na,Ca2,F,O

c.

Na,Mg2,F,O2

d.

Na,K,S2,Cl

Question number: 2

» Classification of Elements & Periodicity » Isoelectronic Species

Appeared in Year: 2015

MCQ▾

Question

O2 is isoelectronic with

Choices

Choice (4) Response
a.

Zn2

b.

Mg2

c.

Ni2

d.

K

Question number: 3

» Classification of Elements & Periodicity » Isoelectronic Species

Appeared in Year: 2012

MCQ▾

Question

The isoelectronic pairs of ions is-

Choices

Choice (4) Response
a.

Mn2andFe3

b.

Sc2andV3

c.

Ni3andFe2

d.

Mn3andFe2

Question number: 4

» Classification of Elements & Periodicity » Isoelectronic Species

MCQ▾

Question

Select the correct order of ionic radii

Choices

Choice (4) Response
a.

Na+>Mg2+>O2>F

b.

O2>F>Na+>Mg2+

c.

Mg2+>Na+>F>O2

d.

O2>F>Mg2+>Na+

Question number: 5

» Classification of Elements & Periodicity » Isoelectronic Species

MCQ▾

Question

The correct order of radii is:

Choices

Choice (4) Response
a.

N<Be<B

b.

Na<Li<K

c.

F<O2<N3

d.

Fe3+<Fe2+<Fe4+

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