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← JEE Main 2026 · 5 Apr · Shift 1
ChemistrySingle correct+4 / -1Question 62 of 75

JEE Main 2026 · 5 Apr · Shift 1, Chemistry question 62

Given below are two statements:

Statement I: Each electron in ege_g orbitals destabilizes the orbitals by +0.6 Δo+0.6\,\Delta_o and each electron in the t2gt_{2g} orbitals stabilizes the orbitals by −0.4 Δo-0.4\,\Delta_o 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

Choose one option
Answer and worked solution

Official answer: A

Statement I. In an octahedral field, each t2gt_{2g} electron is stabilised by 0.4Δo0.4\Delta_o and each ege_g electron destabilised by 0.6Δo0.6\Delta_o. Correct.

Statement II. The five d orbitals are degenerate in a free atom or ion. The ligand field removes that degeneracy. Correct.

(A)