Match List I with List II LIST I (Complex) / LIST II (CFSE ($\Delta_o$)) A. $\mathrm{[Cu(NH_3)_6]^{2+}}$ - I. $-0.6$ B. $\mathrm{[Ti(H_2O)_6]^{3+}}$ - II. $-2.0$ C. $\mathrm{[Fe(CN)_6]^{3-}}$ - III. $-1.2$ D. $\mathrm{[NiF_6]^{4-}}$ - IV. $-0.4$ Choose the correct answer from the options given below:

Option 2: A-I, B-IV, C-II, D-III

JEE Main 2023 · ChemistryMultiple choiceMatch the listMediumCalculation

JEE Main 12 April 2023, Shift 1, Chemistry Q72

Question 72 of 90 in this shift, Chemistry question 12 of 30, Section A.

Match List I with List II LIST I (Complex) / LIST II (CFSE (

\Delta_o

)) A.

\mathrm{[Cu(NH_3)_6]^{2+}}

- I.

-0.6

\mathrm{[Ti(H_2O)_6]^{3+}}

- II.

-2.0

\mathrm{[Fe(CN)_6]^{3-}}

- III.

-1.2

\mathrm{[NiF_6]^{4-}}

- IV.

-0.4

Choose the correct answer from the options given below:

(1)A-III, B-IV, C-I, D-II
(2)A-I, B-IV, C-II, D-IIIOfficial answer
(3)A-II, B-III, C-I, D-IV
(4)A-I, B-II, C-IV, D-III

Official answer

Option 2

NTA final key.

Chapter: Coordination Compounds
Topic: Crystal Field Theory
Idea tested: CFSE Calculation

Same idea in other shifts

Asked 11× in all

6 Apr 2026, Shift 1 · Q61Match the LIST-I with LIST-II List-I (Electronic configuration of tetrahedral metal ion) | List-II (Crystal Field Stabilization Energy…MediumMatch the list
2 Apr 2025, Shift 2 · Q60The d-orbital electronic configuration of the complex among $\mathrm{[Co(en)_3]^{3+}}$ , $\mathrm{[CoF_6]^{3-}}$ ,…MediumSingle correct
10 Apr 2023, Shift 2 · Q70Match List I with List II LIST I (Complex) A. $[\mathrm{Ti(H_2O)_6}]^{2+}$ B. $[\mathrm{V(H_2O)_6}]^{2+}$ C. $[\mathrm{Mn(H_2O)_6}]^{3+}$ …MediumMatch the list
29 Jul 2022, Shift 1 · Q90 $\mathrm{[Fe(CN)_6]^{3-}}$ should be an inner orbital complex. Ignoring the pairing energy, the value of crystal field stabilization…MediumNumerical value
27 Jun 2022, Shift 1 · Q71Which of the following will have maximum stabilization due to crystal field ?MediumSingle correct
26 Aug 2021, Shift 2 · Q39Arrange the following Cobalt complexes in the order of increasing Crystal Field Stabilization Energy (CFSE) value. Complexes :…MediumSingle correct
2 Sep 2020, Shift 1 · Q37Consider that a $d^{6}$ metal ion ( $\mathrm{M^{2+}}$ ) forms a complex with aqua ligands, and the spin only magnetic moment of the complex…HardSingle correct
3 Sep 2020, Shift 1 · Q37The electronic spectrum of $\mathrm{[Ti(H_2O)_6]^{3+}}$ shows a single broad peak with a maximum at 20,300 $\mathrm{cm^{-1}}$ . The crystal…MediumSingle 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 108 of the 174 JEE Main shifts held from 2017 to 2026.