Question

On adding dilute HCl to Copper oxide powder,the solution fromed is blue- green. (A)identify the compound fromed which gives blue green colour to the solution. (B)write a balance chemical equation. (C)on the basis of Above reaction, what should be the nature of copper oxide?

Answer 1

A - CuCl2.
CuO+Hcl= Cucl2+ h2o
It is basic in nature.
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Answer 2

a)copper(ll)chloride or CuCl2

b)CuO+2HCl=CuCl2+H2O

c)copper oxide is basic in nature

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