Hydrogen And Its Compounds Question 92

Question: In which of the following reaction hydrogen peroxide is a reducing agent

[BHU 1995]

Options:

A) $ 2FeCl_2+2HCl+H_2O_2\to 2FeCl_3+2H_2O $

B) $ Cl_2+H_2O_2\to 2HCl+O_2 $

C) $ 2HI+H_2O_2\to 2H_2O+I_2 $

D) $ H_2SO_3+H_2O_2\to H_2SO_4+H_2O $

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Answer:

Correct Answer: B

Solution:

$ \underset{0}{\mathop{Cl_2}}+H_2O_2\to \underset{-1}{\mathop{2HCl}}+O_2 $ In this reaction $ H_2O_2 $ works as reducing agent