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Saturday, 31 October

JEE Main 2026 · ChemistryMultiple choiceMatch the listMediumRecall

JEE Main 2 April 2026, Shift 1, Chemistry Q62

Question 62 of 75 in this shift, Chemistry question 12 of 25, Section A.

Match List - I with List - II. List - I : Chromium (III) Complexes (en = ethylene diamine) List - II : Δ0\Delta_0 (cm−1\mathrm{cm^{-1}}) A. [Cr(CN)6]3−\mathrm{[Cr(CN)_6]^{3-}} I. 15,06015,060 B. [CrF6]3−\mathrm{[CrF_6]^{3-}} II. 17,40017,400 C. [Cr(H2O)6]3+\mathrm{[Cr(H_2O)_6]^{3+}} III. 22,30022,300 D. [Cr(en)3]3+\mathrm{[Cr(en)_3]^{3+}} IV. 26,60026,600 Choose the correct answer from the options given below :
  1. (1)A-I, B-II, C-III, D-IV
  2. (2)A-II, B-III, C-IV, D-I
  3. (3)A-III, B-IV, C-I, D-II
  4. (4)A-IV, B-I, C-II, D-IIIOfficial answer

Official answer

Option 4

NTA final key.

Chapter
Coordination Compounds
Topic
Crystal Field Theory
Idea tested
Spectrochemical Series

Same idea in other shifts

Asked 6× in all
  1. 4 Apr 2024, Shift 1 · Q70The correct sequence of ligands in the order of decreasing field strength is :MediumSingle correct
  2. 5 Apr 2024, Shift 1 · Q70The correct order of ligands arranged in increasing field strength.EasySingle correct
  3. 6 Apr 2024, Shift 1 · Q71Consider the following complexes [CoCl(NH3)5]2+\mathrm{[CoCl(NH_3)_5]^{2+}}, [Co(CN)6]3−\mathrm{[Co(CN)_6]^{3-}}, [Co(NH3)5(H2O)]3+\mathrm{[Co(NH_3)_5(H_2O)]^{3+}},…MediumSingle correct
  4. 25 Jul 2022, Shift 2 · Q71The correct order of energy of absorption for the following metal complexes is A : [Ni(en)3]2+\mathrm{[Ni(en)_3]^{2+}}, B :…MediumSingle correct
  5. 2 Sep 2020, Shift 2 · Q37Simplified absorption spectra of three complexes ((i), (ii) and (iii)) of Mn+\mathrm{M^{n+}} ion are provided below; their λmax⁡\lambda_{\max}…MediumDiagram basedHas a figure

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 108 of the 174 JEE Main shifts held from 2017 to 2026.