Question

The electronic configuration of four atoms are given in brackets :
$$\eqalign{ & P\left( {1{s^2}2{s^2}2{p^1}} \right);Q\left( {1{s^2}2{s^2}2{p^5}} \right) \cr & R\left( {1{s^2}2{s^2}2{p^6}3{s^1}} \right);S\left( {1{s^2}2{s^2}2{p^2}} \right) \cr} $$
The element that would most readily form a diatomic molecule is

A. $$P$$
B. $$Q$$  
C. $$R$$
D. $$S$$
Answer :   $$Q$$
Solution :
By sharing of 1 electron each, both the atoms of $$Q$$  will get a complement octet.

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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