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Question
What property of conc. \[\ce{H2SO4}\] is made use of the following case? Give an equation for the reaction in given case:
Hydrogen chloride gas is passed through concentrated sulphuric acid.
Chemical Equations/Structures
Very Short Answer
Solution
Hydrogen chloride gas is dried by passing through Conc. sulphuric acid as it does not react with Conc. sulphuric acid.
The conc. \[\ce{H2SO4}\] oxidises \[\ce{H2S}\] to \[\ce{SO2}\]
\[\ce{H2SO4 + H2S -> 2H2O + S + SO2↑}\]
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