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-)`

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

1.	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-)`
Answer» Correct Answer - 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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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-)`

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