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Question

What happens when S reacts with hot and conc. H2SO4?


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Solution

Sulphuric acid

  • Sulphuric acid has a chemical formula H2SO4.
  • It acts as an excellent oxidizing and dehydrating agent.

Reaction of Sulphur with concentrated sulphuric acid

  • A redox reaction takes place when sulphur reacts with concentrated sulphuric acid to give sulphur dioxide and water.
  • The reaction is as follows.

S(s)+2H2SO4(aq)3SO2(g)+2H2O(l)


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