Question

The molecule which has pyramidal shape is :

A. $$PC{l_3}$$  
B. $$S{O_3}$$
C. $$CO_3^{2 - }$$
D. $$NO_3^ - $$
Answer :   $$PC{l_3}$$
Solution :
TIPS/Formulae :
Molecule having $$s{p^3}$$  hybridisation and one lone pair of electron will have pyramidal structure.
$$\left( {\text{i}} \right)CO_3^{2 - }$$  and $$NO_3^ - $$  have tetrahedron structure.
$$\left( {{\text{ii}}} \right)$$ In $$PC{l_3},P$$   is $$s{p^3}$$  hybridised and has one lone pair of electrons, hence it is pyramidal in shape.

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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