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Which of the following pairs is coloured...

Which of the following pairs is coloured in aqueous solution?

A

`Sc^(3+),Co^(3+)`

B

`Ni^(2+),Cu^(2+)`

C

`Ni^(2+),Ti^(3+)`

D

`Sc^(3+),Ti^(3+)`

Text Solution

Verified by Experts

The correct Answer is:
B, C
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