The Valence Shell Electron Pair Repulsion (VSEPR) Theory

IMPORTANT

The Valence Shell Electron Pair Repulsion (VSEPR) Theory: Overview

This topic covers concepts, such as Valence Shell Electron Pair Repulsion Theory, Geometry of Molecules Containing Two Bond Pairs and One Lone Pair, Geometry of Molecules Containing Three Bond Pairs and One Lone Pair, etc.

Important Questions on The Valence Shell Electron Pair Repulsion (VSEPR) Theory

MEDIUM
IMPORTANT

The pair of species having identical shapes for molecules of both species is –

 

EASY
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Which of the following is geometry of molecules containing six bond pairs and one lone pair?

EASY
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Which of the following is geometry of molecules containing seven bond pairs and zero lone pair?

EASY
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The repulsive interaction of electron pairs follows the order

EASY
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The angular shape of the ozone molecule consists of ___

MEDIUM
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The geometry and dipole moment of H2S respectively are ___

EASY
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Which of the following molecules has T-shaped geometry?

MEDIUM
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Match the following:

  Molecule   Geometry
(a) XeF2 (i) Trigonal Pyramidal
(b) XeO3 (ii) Distorted octahedral
(c) XeF6 (iii) Linear
(d) XeOF4 (iv) Square pyramidal

MEDIUM
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The structures of XeF2 and XeF4 respectively are

EASY
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The F-Br-F bond angles in BrF5 and the Cl-P-Cl bond angles in PCl5, respectively, are

HARD
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Which of the molecules has trigonal bipyramidal geometry with bond angles 120 ° and 90 °?

MEDIUM
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Which statement about noble gases is not correct?

EASY
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Identify the molecule which contains lone pair of electrons on the sulphur atom

EASY
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Which set of the following molecules has only one lone pair of electrons on their respective central atoms?

a) SO2

b) XeF4

c) PbCl2

d) SF4

e) ClF3

Identify the correct statements

EASY
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Among

(i) XeO3, 

(ii) XeOF4 and

(iii) XeF6, those having the same number of lone pairs on the central atom are _________

HARD
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Which of the following species has a square planar geometry?

EASY
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The shape of XeF4 molecule is based on the fact that it has

MEDIUM
IMPORTANT

As per VSEPR theory in which molecular species nitrogen has NX3 L type arrangement, but lone pair is NOT localised on nitrogen. (N= nitrogen, X=σ bonds, L= Lone pair)