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Question

The shape of ammonia molecules is:

A
distorted tetrahedral
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B
hexahedral
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C
pentahedral
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D
none of the above
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Solution

The correct option is C distorted tetrahedral
The ammonia molecule has a trigonal pyramidal or distorted tetrahedral shape as predicted by the valence shell electron pair repulsion theory (VSEPR theory) with an experimentally determined bond angle of 106.7°. The central nitrogen atom has five outer electrons with an additional electron from each hydrogen atom.
Image result for nh3 shape
So, the answer is A.

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