Question

On adding dilute hydrochloric acid to copper oxide powder, the solution formed is blue-green.
(a) Predict the new compound formed which imparts a blue-green colour to solution.
(b) Write a balanced chemical equation of the reaction which takes place.
(c) On the basis of the above reaction, what can you say about the nature of copper oxide ?

Lakhmir Singh Chemistry Class 10

Answer 1

2HCl+cu20--cucl2+h20

copperoxide- basic