Question

In addition of HCL to a metal oxide we get ablue green solution name the oxide and blue green salt form with chemical eqn

Answer 1

Answer:

When HCl reacts with copper oxide, a blue green solution of copper (II) chloride is formed. The reaction is as follows:

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

                      (aq)              (s)                    (aq)         (l)

This is a double replacement reaction. The soluble Copper(II)Chloride is blue-green in color and is responsible for the color of the solution formed.

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Answer 2

Answer:

Metallic oxide - CuO(copper oxide)

salt -CuCl2 (copper chloride)

Explanation:

Cuo(s) + 2HCL(dil.) --> CuCl2(aq) + H2O(l)

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