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Question
What property of conc. H2SO4 is made use of in the following case? Give an equation for the reaction in this case:
In the preparation of sulphur dioxide by warming a mixture of conc. sulphuric acid and copper turnings.
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Solution
It is known for its oxidising character.
\[\ce{Cu + 2H2SO4 -> CuSO4 + 2H2O + SO2↑}\]
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