Question

What is the order of stability of $${N_2}$$  and its ions?

A. $${N_2} > N_2^ + = N_2^ - > N_2^{2 - }$$  
B. $$N_2^ + > N_2^ - > {N_2} > N_2^{2 - }$$
C. $$N_2^ - > N_2^ + > {N_2} > N_2^{2 - }$$
D. $$N_2^{2 - } > N_2^ - = N_2^ + > {N_2}$$
Answer :   $${N_2} > N_2^ + = N_2^ - > N_2^{2 - }$$
Solution :
Bond order of $${N_2} = 3,N_2^ + = 2.5,N_2^ - = 2.5$$       and $$N_2^{2 - }$$  is 2. Higher the bond order, more is the stability.

Releted MCQ Question on
Inorganic Chemistry >> Chemical Bonding and Molecular Structure

Releted Question 1

The compound which contains both ionic and covalent bonds is

A. $$C{H_4}$$
B. $${H_2}$$
C. $$KCN$$
D. $$KCl$$
Releted Question 2

The octet rule is not valid for the molecule

A. $$C{O_2}$$
B. $${H_2}O$$
C. $${O_2}$$
D. $$CO$$
Releted Question 3

Element $$X$$ is strongly electropositive and element $$Y$$ is strongly electronegative. Both are univalent. The compound formed would be

A. $${X^ + }{Y^ - }$$
B. $${X^ - }{Y^{ + \,}}$$
C. $$X - Y$$
D. $$X \to Y$$
Releted Question 4

Which of the following compounds are covalent?

A. $${H_2}$$
B. $$CaO$$
C. $$KCl$$
D. $$N{a_2}S$$

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Chemical Bonding and Molecular Structure


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