Question

# A molecule of ammonia (${\mathrm{NH}}_{3}$) has: only single bondsonly double bondsonly triple bondstwo double bonds and one single bond

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Solution

## The correct option is A only single bondsExplanation for the correct option:Option A: only single bondsOne molecule of ammonia contains one nitrogen atom and three hydrogen atoms. Nitrogen has 5 valence electrons and each hydrogen has one valence electron. Nitrogen shares one electron with each hydrogen, hence it forms a single bond with each hydrogen. Therefore a molecule of ammonia contains single bonds only. The structure of ammonia is: Hence this option is correct. Hence option A: only single bonds is the correct answer.

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