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.