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Question: Answered & Verified by Expert
A solution of sulphur dioxide in water reacts with $\mathrm{H}_2 \mathrm{~S}$ precipitating sulphur. Here sulphur dioxide acts as
Chemistryp Block Elements (Group 15, 16, 17 & 18)JEE Main
Options:
  • A An oxidising agent
  • B A reducing agent
  • C An acid
  • D A catalyst
Solution:
1631 Upvotes Verified Answer
The correct answer is: An oxidising agent
$\underset{\text { reducing agent }}{2 \mathrm{H}_2 \mathrm{~S}}+\underset{\text { oxidising agent }}{\mathrm{SO}_2} \rightarrow 2 \mathrm{H}_2 \mathrm{O}+3 \mathrm{~S}$

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