Question

$HNO_{2}$acts both as reductant and oxidant, while $HNO_{3}$ acts only as oxidant. It is due to their.

• A. Solubility ability
• B. Maximum oxidation number
• C. Minimum oxidation number
• D. Minimum number of valence electrons

Answer 1

Answer: (B)

Maximum oxidation number

Answer 2

In $\overset{*}{HNO_{2}}$ oxidation number of N = + 3

In $\overset{*}{HNO_{3}}$ oxidation number of N = + 5.