InterviewSolution
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InterviewSolution
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Among `TiF_(6)^(2-), CoF_(6)^(3-), Cu_(2)C1_(2)` and `NiC1_(4)^(2-)` (At. No. `Ti = 22, Co = 27, Cu = 29, Ni = 28)`, the colourless species are -A. (a) `CoF_6^(3-)` and `NiCl_4^(2-)`B. (b) `TiF_6^(2-)` and `CoF_6^(3-)`C. (c) `Cu_2Cl_2` and `NiCl_4^(2-)`D. (d) `TiF_6^(2-)` and `Cu_2Cl_2` |
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Answer» Correct Answer - D `Ti^(4+): 3d^(0)` and `Cu^(+): 3d^(10)` cannot show d-d transition and thus colourless. |
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