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Question

Number of unpaired electrons present in [Mn(CN)6]3 is:

A
Zero
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B
2
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C
4
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D
3
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Solution

The correct option is B 2
  • Number of d-electrons present in [Mn(CN)6]3 is 4.
  • CN is a strong field ligand hence pairing in t2g orbitals with occur. It is inner orbital complex
  • Number of unpaired electrons = 2

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