Q.

Select the incorrect statement out of the following

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a

The number of electrons shared by an atom when a covalent bond is formed, is called its covalency

b

The number of electrons gained or lost by an atom during the formation of ionic bond is called its electrovalency.

c

Electrovalency can also be taken as the number of unit charges on the ion.

d

A structure has lowest energy, in general, if he atoms have maximum formal charge.

answer is D.

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Detailed Solution

Minimum formal charge gives maximum stability, i.e., lowest energy.
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