A) \[N{{H}_{3}}\]
B) \[{{N}_{2}}{{H}_{4}}\]
C) \[{{N}_{2}}{{H}_{2}}\]
D) \[{{N}_{3}}H\]
Correct Answer: D
Solution :
Hydrazoic acid \[({{N}_{3}}H)\] is a weak acid. Its weakly acidic character is due to the reason that the azide ion \[\left( N_{3}^{-} \right)\] formed after the loss of a proton is better stabilized by resonance as compared to hydrazoic acid itself. \[{{\left[ N\equiv {{N}^{+}}-{{N}^{-}} \right]}^{-}}\xrightarrow{{}}{{\left[ {{N}^{-}}-{{N}^{+}}\equiv N \right]}^{-}}\]
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