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Question

Assertion :The compounds of copper in +1 state are colorless. Reason: Due to 3d10 electronic configuration of Cu2+ ion no dd transition takes place.


Read the above assertion and reason and choose the correct statement regarding it.


A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Assertion is incorrect but Reason are incorrect
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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Cu+ has an electron configuration of [Ar] 4s03d10.

Thus d-d transition is not possible resulting in colorless compounds.

So, the correct option is A

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