Question

What happens when dilute hydrochloric
acid reacts with cupric oxide? Write
chemical equation for this reaction.
​

Answer 1

Copper(II) oxide dissolves in mineral acids such as hydrochloric acid, to give the corresponding copper(II) salts:

CuO + 2 HCl → CuCl2 + H2O

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Answer 2

Explanation:

Copper(II) oxide dissolves in mineral acids such as hydrochloric acid, sulfuric acid or nitric acid to give the corresponding copper(II) salts: CuO + 2 HNO3 → Cu(NO3)2 + H2O. CuO + 2 HCl → CuCl2 + H2O.