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In which of the following ions, the colo...

In which of the following ions, the colour is not due to d-d transition?

A

`[Ti(H_2O)_6]^(3+)`

B

`[Cu(NH_3)_4]^(2+)`

C

`[CoF_6]^(3-)`

D

`CrO_4^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
D
In `CrO_4^(2-)` Cr is in +6 oxidation state and has `d^0` configuration. The Colour is due to charge transfer and not due to d-d transition.
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