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Question: Answered & Verified by Expert
Among the following, the compound that is both paramagnetic and coloured is -
Chemistryd and f Block ElementsNEET
Options:
  • A K2Cr2O7
  • B KMnO4
  • C CoSO4
  • D K3CuCN4
Solution:
2303 Upvotes Verified Answer
The correct answer is: CoSO4
CoSO4 have d7 configuration because Co2+=3d7 4s°, thus it both paramagnetic as well as coloured.\

K 2 Cr 2 O 7 and KMnO 4 are colured due in change spectra.

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