Q.

Which of the following statements regarding valence-bond method is not true?

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a

For a molecule to be stable, the electrostatic attractions must predominate over the electrostatic repulsions

b

The net force of attraction acting on the atoms in a molecule is greater than that of repulsion

c

The potential energy of a diatomic molecule is less than the sum of corresponding energies of free atoms

d

In the valence-bond method, the molecule is considered to be the collection of atoms and then interactions between different atoms are considered

answer is D.

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Detailed Solution

The potential energy of a diatomic molecule is not less than the sum of corresponding energies of free atoms. Thus, option C is correct.

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Which of the following statements regarding valence-bond method is not true?