JEE Main 2022 · ChemistryMultiple choiceSingle correctMediumConceptual

JEE Main 24 June 2022, Shift 2, Chemistry Q71

Question 71 of 90 in this shift, Chemistry question 11 of 30, Section A.

Transition metal complex with highest value of crystal field splitting (

\Delta_o

) will be

(1)[Cr(H $_2$ O) $_6$ ] $^{3+}$
(2)[Mo(H $_2$ O) $_6$ ] $^{3+}$
(3)[Fe(H $_2$ O) $_6$ ] $^{3+}$
(4)[Os(H $_2$ O) $_6$ ] $^{3+}$ Official answer

Official answer

Option 4

NTA final key.

Chapter: Coordination Compounds
Topic: Crystal Field Theory
Idea tested: Effect of 3d vs 4d vs 5d Series on Splitting

Same topic in other shifts

All Crystal Field Theory questions

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5 Apr 2026, Shift 2 · Q71The total number of unpaired electrons present in the $d^3$ , $d^4$ (low spin) $d^5$ (high spin), $d^6$ (high spin) and $d^7$ (low spin)…EasyNumerical value

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.