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Question: Answered & Verified by Expert
Which one of the following statement is correct for $d^4$ ions [ $P=$ pairing energy]
ChemistryCoordination CompoundsTS EAMCETTS EAMCET 2017
Options:
  • A When $\Delta_0>P_1$ low-spin complex form
  • B When $\Delta_0 < P$, low-spin complex form
  • C When $\Delta_0>P_{\text {, }}$ high-spin complex form
  • D When $\Delta_0 < P_1$ both high-spin and low-spin complexes form
Solution:
1466 Upvotes Verified Answer
The correct answer is: When $\Delta_0>P_1$ low-spin complex form
When value of $\Delta_0$ is greater than pairing energy, pairing of electron takes place hence low spin complexes are formed.

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