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Question

The color of Cu+ compounds is :

A
Colourless
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B
blue
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C
orange
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D
yellow
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Solution

The correct option is A Colourless
The color of Cu+ compounds is is colourless as its outermost configuration is 3d10 so there are no unpaired electrons which causes while copper in +2 oxidation state possess blue color.

Option (A) is correct.

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