1.

Which of the following is expected to be coloured?A. CuClB. `CuF_(2)`C. `Ag_(2)SO_(4)`D. `MgF_(2)`

Answer» Correct Answer - C
In `CuF_(2), Cu` is present as
`Cu^(2+)`.`Cu^(2)=[Ar]3d^(9),4s^(0)`
Since , in it unpaired electron is present, it is coloured.


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