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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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