Answer:
Copper metal will not react with sulfuric acid . ( Copper metal is too unreactive / it is " below hydrogen in the reactivity series " ). So use copper carbonate, it reacts easily to give copper sulfate ( and carbon dioxide and water ) .
Explanation:
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Copper sulphate cannot be prepared by adding copper metal to dilute sulphuric acid because copper is below hydrogen in the reactivity series of metals.
Copper sulphate is an inorganic compound formed by the reaction of copper and sulphur.
Sulphuric acid is a strong acid that are made by the oxidizing solutions of sulphur dioxide.
Copper is below hydrogen in the reactivity series of metals, so it is unable to displace hydrogen from dil. sulphuric acid.
However, it reacts with conc. sulphuric acid to form copper sulphate.
Cu + conc. 2H2SO4 → CuSO4 + 2H2O + SO2
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