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Among the following the coloured compoun...

Among the following the coloured compound is .

A

`CuCl`

B

`K_(3)[Cu(CN)_(4)]`

C

`CuF_(2)`

D

`[Cu(CH_(3)CN)_(4)]BF_(4)`

Text Solution

Verified by Experts

The correct Answer is:
C
`CuF_(2)` contains `Cu^(+2)`, having `d^(9)` configuration, therefore , there is one unpaired electron which undergoes d-d transition in visible region.`CuF_(2)` in crystalline from is blue in colour.
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