JEE Main 2025 — Coordination Compounds Question with Solution
From: JEE Main 2025 (Online) 2nd April Evening Shift
Question
The spin-only magnetic moment value of ion formed among and Cu that has the least enthalpy of atomisation is_________ . (in nearest integer) Here n is equal to the number of diamagnetic complexes among , and
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Step-by-step explanation
, Paramagnetic
, Diamagnetic
, Paramagnetic
, Diamagnetic
Hence the value of is 2
Least value of enthalpy of atomisation among Ni,
and Cu is of Zn
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This is a previous-year question from JEE Main 2025, covering the Coordination Compounds chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.