1.

The aqueous solution of the following salt will be coloured in the case of :

Answer»

`Zn(NO_3)_2`
`LiNO_3`
`Co(NO_3)_2`
`CrCl_3`

Solution :Compunds with UNPAIRED `E^-` shows colours `Cu^+2=[AR] 3d^9 ,MN^(+2)=[Ar]3d^5`


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