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QNEET-2016-Ch-1124: NEET 2016 Chemistry - Class 12 NEET-2016-Ch-1124 Solution: Jahn-Teller effect is not observed in high spin complexes of…

Jahn-Teller effect is not observed in high spin complexes of d7d^7 d8d^8 d4d^4 d9d^9

Multiple Choice Options

  • A d 7
  • B d 8
  • C d 4
  • D d 9

Step-by-Step Verified Solution

Jahn-Teller distortion is generally significant for asymmetrically occupied e g orbitals as they are directed towards the ligands and the energy gain is more. On the other hand in unevenly occupied t 2g orbitals, the John-Teller distortion is very weak. Since the t 2g orbitals does not point directly at the ligand and thus energy gain is less.

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