Valence Shell Electron Pair Repulsion Theory

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Valence Shell Electron Pair Repulsion 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 Valence Shell Electron Pair Repulsion Theory

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Given below are two statements :

Statement I : SO2 and H2O both possess V-shaped structure

Statement II : The bond angle of SO2 is less than that of H2O.

In the light of the above statements, choose the most appropriate answer from the options given below:

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Statement 1: SO2 and H2O both have bent structures.

Statement 2: SO2 have less angle than H2O.

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Which of the following has the maximum number of lone pairs on central atom ?

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Match the following :

(a) ClO2- (p) Linear
(b) N3- (q) Tetrahedral
(c) NH4+ (r) Bent
(d) SF4 (s) See-saw

 

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NH3,NO,N2,F2,CO,CO2,H2O & XeF4

How many of above molecules are having only two lone pair of electrons.

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How many of the following are bent in shape?

SO2,O3,I3-,N3-.

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The sum of number of lone pairs in central atom in IF5 and IF7 is:

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Which of the following have square pyramidal structure?

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How many lone pairs are there in the structure CO2?

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The correct order of the bond angles in NH3,NH4+ and NH2- is

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Which of the following is not pyramidal species?

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Number of Bond angle of 90° in IF5 is:

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Consider the following figures and select the incorrect order of bond angle?

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Which combination(s) given below is/are correct?

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Comment on the statement: Molecules having two bond pairs and one lone pair has a trigonal planar shape.

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Molecules having two bond pairs and one lone pair has trigonal planar shape.

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Why do the lone pair and lone pair repulsion higher than bond pair repulsions?

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What is the geometry of methane according to VSEPR theory.

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Why do the lone pair and lone pair repulsion higher than bond pair repulsions?

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How many N-O bonds are present in product when NH4NO3 is strongly heated (above 300°C)?