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Question

Name a neutral covalent molecule which contains one lone pair of electrons.


A

Hydrogen

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B

Chlorine

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C

Ammonia

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D

Methane

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Solution

Explanation:

  • Ammonia is a compound of nitrogen and hydrogen with the formula NH3.
  • The central nitrogen atom has five outer electrons with an additional electron from each hydrogen atom.
  • Three of these electron pairs are used as bond pairs, which leaves one lone pair of electrons.

Hence, option (C) is correct.


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