Chemistry JAMB

The oxidation state(s) of nitrogen in ammonium nitrite is/are?

A. -3, +3
B. +5
C. -3, +5
D. -3

Correct Answer:

Option A = -3, +3

Explanation

Ammonium nitrite = NH4NO2

NH4+

: Let the oxidation number of Nitrogen = x

x + 4 = 1; ⟹ x = 1 – 4

x = -3

NO2

: x – 4 = -1; x = -1 + 4 ⟹

x = +3.

The oxidation numbers for Nitrogen in Ammonium Nitrite = -3, +3.

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