Reaction of Metallic Oxides and Hydroxides with Acids
CuO + X → CuS...
Question
CuO+X→CuSO4+H2O. Here (X) is
A
CuSO4
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B
HCl
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C
H2SO4
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D
HNO3
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Solution
The correct option is CH2SO4 CuO+H2SO4→CuSO4+H2O. It undergoes double displacement reaction where the black copper oxide reacts with sulphuric acid to form a blue aqueous solution of copper sulphate and water.