Question

a metal compound X which is black oxide when reacts with HCl turn to bluish green compound y identify X and y​

Answer 1

Answer:

X is Cupric oxide.

Y is Cupric chloride

EXPLAINATION :- CuO is black oxide react with dil HCl to form cucl2 and H2o

CuO+HCl ---------------- CuCl2 +H2O

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Answer 2

Answer:

Explanation:

X ia copper oxide, (CuO)

Y is copper chlroide,(Cucl2)