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JEE Main levelSingle correct optionDifficulty 2 of 3bn134

What is the AVERAGE oxidation number of N in hydrazoic acid, $HN X_{3}$ (H is $+ 1$ )?

A $+ \frac{1}{3}$
B $- 3$
C $- 1$
D $- \frac{1}{3}$

Answer: D

+ 1 + 3 x = 0

gives

x = - 1/3

on average.

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