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Question

Which one of the following cyano complexes would exhibit the lowest value of paramagnetic behaviour?

(Atomic Numbers: Cr=24; Mn=25; Fe=26; Co=27)


  1. [Fe(CN)6]3
  2. [Co(CN)6]3
  3. [Cr(CN)6]3
  4. [Mn(CN)6]3

A
[Mn(CN)6]3
B
[Cr(CN)6]3
C
[Co(CN)6]3
D
[Fe(CN)6]3
Solution
Verified by Toppr

CN is a strong field ligand, all complexes will be inner orbital i.e d2sp3

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Which one of the following cyano complexes would exhibit the lowest value of paramagnetic behaviour?

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