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Zinc II Oxide

In adding dil...

Question

In adding dilute HCl to copper oxide powder, the solution formed is blue-green. Identify the compound formed which gives blue green colour solution?

A

C u C l_{2}

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B

C u O_{2}

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C

C u C l_{3}

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D

C u_{2} C l_{2}

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Solution

The correct option is A $C u C l_{2}$
The correct answer is A.
$C u O + 2 H C l \to C u C l_{2} + H_{2} O$
(Copper oxide) (Copper( {II},chloride)
(Blue-green)

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