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Friday, 9 October

JEE Main 2026 · ChemistryMultiple choiceMatch the listMediumCalculation

JEE Main 6 April 2026, Shift 1, Chemistry Q61

Question 61 of 75 in this shift, Chemistry question 11 of 25, Section A.

Match the LIST-I with LIST-II List-I (Electronic configuration of tetrahedral metal ion) | List-II (Crystal Field Stabilization Energy (Δt\Delta_t)) A. d2d^2 | I. −0.6-0.6 B. d4d^4 | II. −0.8-0.8 C. d6d^6 | III. −1.2-1.2 D. d8d^8 | IV. −0.4-0.4 Choose the correct answer from the options given below:
  1. (1)A-III, B-IV, C-II, D-I
  2. (2)A-III, B-I, C-IV, D-II
  3. (3)A-III, B-IV, C-I, D-IIOfficial answer
  4. (4)A-II, B-I, C-IV, D-III

Official answer

Option 3

NTA final key.

Chapter
Coordination Compounds
Topic
Crystal Field Theory
Idea tested
CFSE Calculation

Same idea in other shifts

Asked 3× in all
  1. 2 Apr 2025, Shift 2 · Q60The d-orbital electronic configuration of the complex among [Co(en)3]3+\mathrm{[Co(en)_3]^{3+}}, [CoF6]3−\mathrm{[CoF_6]^{3-}},…MediumSingle correct
  2. 2 Sep 2020, Shift 1 · Q37Consider that a d6d^{6} metal ion (M2+\mathrm{M^{2+}}) forms a complex with aqua ligands, and the spin only magnetic moment of the complex…HardSingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.