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Identify the complexes which are expecte...

Identify the complexes which are expected to be coloured.
a. `[Ti(NO_(3))_(4)]` , b. `[Cu(NC CH_(3))_(4)]^(o+) BF_(4)^(ɵ)`
c. `[Cr(NH_(3))_(6)]^(3+)3Cl^(ɵ)` , d. `K_(3)[VF_(6)]`

Text Solution

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(C) and (D) are coloured because `Cr^(3+)` in `[Cr(NH)_(3)_(6)]^(3+)` and `V^(3+) in `[VF_(6)]^(3-)` has unpaired electron in d-sub-shell.
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