Question

In which of the following reactions is there a change in the oxidation number of nitrogen atom:
O
a)2 NO2 + N2 04
b)NH3 + H2O + NH; + OH
c)N205 + H2O → 2 HNO3
d)None of these

Answer 1

Step-by-step explanation:

d is the answer

EXPLANATION AND REASON

In none of the given there is no change in the oxidation number of nitrogen atom.

In option A, nitrogen has oxidation state of +4 in both reactant and product.

In option B, nitrogen has oxidation state of −3 in both reactant and product.