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Ti^(2+) is purple while Ti^(4+) is colou...

`Ti^(2+)` is purple while `Ti^(4+)` is colourless because

A

there is no crystal field effect in `Ti^(4+)`

B

`Ti^(2+)` has `3d^2` configuration

C

`Ti(^4+)` has `3d^2` configuration

D

`Ti^4+` is a very small cation when compared to `TI^(2+)` and hence, does not absorb any radiation

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The correct Answer is:
B
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