Multiple choice

Which of the following compound has 4.9 BM magnetic moment?

  1. Hg[Co(CNS)4]+

  2. [Fe(diph)3]+++

  3. K3[Cr(CNS)6]

  4. [MnBr4]2-

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This option is correct, because the octahedral complex of the Co possess the magnetic moment 4.9 BM. It would be concluded that the Co is in a bivalent state and occupies 3d7 and the bonding is free spin types, corresponding to n = 3.

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