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KCET2011ChemistryCoordination Compounds

The spin only magnetic moment of Fe ²⁺ ion (in BM) is approximately

Options

  1. A4
  2. B7
  3. C5
  4. D6

Correct answer

C. 5

Step-by-step solution

Fe ²⁺-[ Ar ] 3 d⁶ It has 4 unpaired electrons aligned &= n(n+2) &= 4(4+2) &= 24 &=4.89 BM 5 BM aligned

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