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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.