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Question
The role of sulphuric acid in the reaction given below is:
\[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
Options
Non volatile acid
Oxidising agent
Dehydrating agent
None of the above
MCQ
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Solution
Oxidising agent
Explanation:
Concentrated sulphuric acid oxidises sulphur to sulphur dioxide (SO2) and itself gets reduced to SO2. Therefore, it acts as an oxidising agent.
\[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
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