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NEET levelSingle correct optionDifficulty 1 of 3bn003

What is the oxidation number of nitrogen in the ammonium ion, $NH X_{4} X^{+}$ ?

A $+ 3$
B $- 4$
C $- 3$
D $+ 5$

Answer: C

Each H is

+ 1

and the ion has charge

+ 1

:

x + 4 (+ 1) = + 1

, so

x = - 3

.

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