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Question: Answered & Verified by Expert
In which of the following reaction hydrogen peroxide is a reducing agent
ChemistryHydrogenJEE Main
Options:
  • A $2 \mathrm{FeCl}_2+2 \mathrm{HCl}+\mathrm{H}_2 \mathrm{O}_2 \rightarrow 2 \mathrm{FeCl}_3+2 \mathrm{H}_2 \mathrm{O}$
  • B $\mathrm{Cl}_2+\mathrm{H}_2 \mathrm{O}_2 \rightarrow 2 \mathrm{HCl}+\mathrm{O}_2$
  • C $2 \mathrm{HI}+\mathrm{H}_2 \mathrm{O}_2 \rightarrow 2 \mathrm{H}_2 \mathrm{O}+\mathrm{I}_2$
  • D $\mathrm{H}_2 \mathrm{SO}_3+\mathrm{H}_2 \mathrm{O}_2 \rightarrow \mathrm{H}_2 \mathrm{SO}_4+\mathrm{H}_2 \mathrm{O}$
Solution:
1822 Upvotes Verified Answer
The correct answer is: $\mathrm{Cl}_2+\mathrm{H}_2 \mathrm{O}_2 \rightarrow 2 \mathrm{HCl}+\mathrm{O}_2$
$\underset{0}{\mathrm{Cl}_2}+\mathrm{H}_2 \mathrm{O}_2 \rightarrow \underset{-1}{2 \mathrm{HCl}}+\mathrm{O}_2$

In this reaction $\mathrm{H}_2 \mathrm{O}_2$ works as reducing agent

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