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The aqueous solution of the following sa...

The aqueous solution of the following salts will be coloured in the case of

A

`Zn(NO_(3))_(2)`

B

`LiNO_(3)`

C

`Co(NO_(3))_(2)`

D

`CrCl_(3)`

Text Solution

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The correct Answer is:
C, D

`Co(NO_(3))_(2)` and `CrCl_(3)` has unpaired electron, hence they are coloured, while `Zn(NO_(3))_(2), LiNO_(3)` and potash alum have no unpaired electron hence they are colourless.
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