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Reaction with Metals

Two lone pair...

Question

Two lone pairs of electrons and two bond pairs are present in:

A

N H_{3}

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B

B F_{3}

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C

{C O_{3}}^{2 -}

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D

{N H_{2}}^{-}

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Solution

The correct option is A ${N H_{2}}^{-}$
${N H_{2}}^{-}$ has $s p^{3}$ hybridization having two covalent bonds and two lone pairs on $N$ atom.

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