Q. Which of the following acts as both an oxidizing as well as reducing agent?
A) $HNO_{3}$
B) ${HNO}_{2}$
C) $HI$
D) $H_{2}{SO}_{4}$
Explanation
(b)
In ${HNO}_{2},$ the oxidation number of N is + 3 which is less than the maximum possible, oxidation number $ie,\ + \ 5$ and more than the minimum possible oxidation number $ie,\ - 3,$ therefore, it can act both as an oxidizing as well as reducing agent
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.