Question
Question: Among the following, the compound that is both paramagnetic and coloured is -...
Among the following, the compound that is both paramagnetic and coloured is -
A
K2Cr2O7
B
(NH4)2 [TiCl6]
C
CoSO4
D
K3[Cu(CN)4]
Answer
CoSO4
Explanation
Solution
CoSO4 have d7 configuration because (Co2+ = 3d7 4s0), thus it both paramagnetic as well as coloured.