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ChemistryJEE Main 5 Apr 2026, Shift 1·Q12·MCQ·Easy

Coordination Compounds · Crystal field splitting

Given below are two statements :

Statement I : Each electron in eg_\mathrm{g} orbitals destabilizes the orbitals by +0.6 Δ0+0.6\,\Delta_0 and each electron in the t2g_\mathrm{2g} orbitals stabilizes the orbitals by −0.4 Δ0-0.4\,\Delta_0 in an octahedral field on the basis of crystal field theory.

Statement II : All the d-orbitals of the transition metals have the same energy in their free atomic state but when a complex is formed the ligands destroy the degeneracy of these orbitals on the basis of crystal field theory.

In the light of the above statements, choose the correct answer from the options given below.

  1. (1)Both Statement I and Statement II are correct
  2. (2)Both Statement I and Statement II are incorrect
  3. (3)Statement I is correct but Statement II is incorrect
  4. (4)Statement I is incorrect but Statement II is correct

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See the full 5 Apr 2026, Shift 1 paper