Statement (A) : Valency of Nitrogen in ${NH}_{3} is 3$
Statement (B) : Combining capacity of Nitrogen is 3.
Statement (C) : Combining capacity of Hydrogen is 1.

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All the above statements are correct

All the above statements are incorrect

A and B are correct but C is incorrect

A and B are incorrect but C is correct

answer is A.

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Detailed Solution

Nitrogen is a VA group element; Hence, the common valence of N is 3. Valence of hydrogen is 1; it combines with other atom to get stable duplet configuration.

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