Q. Hydrogen peroxide in its reaction with $\mathrm{KlO}_{4}$ and $\mathrm{NH}_{2} \mathrm{OH}$ respectively, is acting as a
(A) reducing agent, oxidising agent
(B) reducing agent, reducing agent
(C) oxidising agent, oxidising agent
(D) oxidising agent, reducing agent
[JEE Adv. 2014]
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Sol. (A) When $\mathrm{H}_{2} \mathrm{O}_{2}$ react with $\mathrm{KIO}_{4}$ then it act as reducing agent. When $\mathrm{H}_{2} \mathrm{O}_{2}$ react with $\mathrm{NH}_{2} \mathrm{OH}$ then it act as oxidizing agent.
Only one means nothing
Only one….
But good sir ji