Assertion : In high spin situation, configuration of \(d^5\) ions will be \(t_{2 g}^3 e_g^2\) Reason : In…

Assertion : In high spin situation, configuration of \(d^5\) ions will be \(t_{2 g}^3 e_g^2\) Reason : In high spin situation, pairing energy is less than crystal field energy.
  1. If both assertion and reason are true and reason is the correct explanation of assertion.
  2. If both assertion and reason are true but reason is not the correct explanation of assertion.
  3. If assertion is true but reason is false.
  4. If both assertion and reason are false.

Solution


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

Asked in: NEET 2021

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