Advertisements
Advertisements
Question
In the given equation - \[\ce{H2S + H2SO4 → S + 2H2O + SO2}\]:
Identify the role played by conc. H2SO4.
Options
Non-volatile acid
Oxidising agent
Dehydrating agent
None of the above
MCQ
Advertisements
Solution
Oxidising agent
Explanation:
Concentrated sulphuric acid oxidises hydrogen sulphide (H2S) to sulphur, while it itself gets reduced to sulphur dioxide (SO2).
\[\ce{H2S + H2SO4 -> S + 2H2O + SO2}\]
Hence, concentrated H2SO4 acts as an oxidising agent.
shaalaa.com
Is there an error in this question or solution?
