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AIIMS 2008
Exam
AIIMS
Year
2008
Subject
Chemistry
Chapter
Coordination Compounds

AIIMS 2008 · Chemistry · Coordination Compounds

Assertion : In high spin situation, configuration of d^5 ions will...

Assertion : In high spin situation, configuration of d5d^5 ions will be t2g3eg2t_{2 g}^3 e_g^2 Reason : In high spin situation, pairing energy is less than crystal field energy.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion.
  3. CIf assertion is true but reason is false.
  4. DIf both assertion and reason are false.

Correct answer

C. If assertion is true but reason is false.

Step-by-step solution

∴\therefore In high spin situation, Δ0<P\Delta_0 < P, in d5d^5 configuration, 4th 4^{\text{th }} and 5th 5^{\text{th }} electron are added to ege_g rather than t2gt_{2 g}. So configuration of d5d^5 ion will be t2g3eg2t_{2 g}^3 e_g^2.
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