Question

What happens when sulphuric acid is added to a piece of copper?

Answer 1

Answer:

$\huge\purple {\mathfrak{Bonjour Mate!}}$

But, concentrated sulphuric acid is an oxidising agent. So, when copper is heated with conc.H2SO4, a redox reaction occurs and the acid gets reduced to sulphur dioxide. Cu + 2H2SO4 = CuSO4 + SO2 + 2H2O The other products of the reaction are copper(II) sulphate and water.

Answer 2

Answer:

Copper does not react with dilutesulphuric acid as its reduction potential is higher than that of hydrogen. ... But, concentrated sulphuric acid is an oxidising agent. So, when copper is heated with conc. H2SO4, a redox reaction occurs and the acid gets reduced to sulphur dioxide.

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