Hydrogen And Its Compounds Question 129

Question: In which of the following reactions, $ H_2O_2 $ acts as a reducing agent

[EAMCET 2001]

Options:

A) $ PbO_2(s)+H_2O_2(aq)\to PbO(s)+H_2O(l)+O_2(g) $

B) $ Na_2SO_3(aq)+H_2O_2(aq)\to Na_2SO_4(aq)+H_2O(l) $

C) $ 2Kl(aq)+H_2O_2(aq)\to 2KOH(aq)+I_2(s) $

D) $ KNO_2(aq)+H_2O_2(aq)\to KNO_3(aq)+H_2O(l) $

Show Answer

Answer:

Correct Answer: A

Solution:

In the following reaction $ H_2O_2 $ acts as a reducing agent. $ PbO_2(s)+H_2O_2(aq)\to PbO(s)+H_2O(l)+O_2(g) $