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Question

The bond angles of $$NH_{3}, NH_{4}^{+}$$ and $${NH_{2}}^{-}$$ are in the order:


A
NH2>NH3>NH+4
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B
NH+4>NH3>NH2
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C
NH3>NH2>NH+4
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D
NH>NH+4>NH2
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Solution

The correct option is B $$NH_{4}^{+}> NH_{3}> NH_{2}^{-}$$
On increases the number of lone pairs of electrons, bond angle decreases. Therefore, the order of bond angle is

$$NH_{4}^{+}> NH_{3}> {NH_{2}}^{-}$$

Chemistry

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