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JEE Main levelSingle correct optionDifficulty 2 of 3bn182

The common inorganic name of $NaNH X_{2}$ (containing the $NH X_{2} X^{-}$ ion) is

Asodium azide
Bsodium amide
Csodium hydroxylamide
Dsodium nitride

Answer: B

NH X_{2} X^{-}

is the amide ion, so

NaNH X_{2}

is sodium amide. Azide is

N X_{3} X^{-}

and nitride is

N X^{3 -}

.

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