JEE Main 2022 · ChemistryNumerical answerNumerical valueMediumConceptual

JEE Main 28 June 2022, Shift 1, Chemistry Q89

Question 89 of 90 in this shift, Chemistry question 29 of 30, Section B.

Number of complexes which will exhibit synergic bonding amongst,

\mathrm{[Cr(CO)_6]}

\mathrm{[Mn(CO)_5]}

and

\mathrm{[Mn_2(CO)_{10}]}

is ________.

Official answer

NTA final key.

Chapter: Coordination Compounds
Topic: Molecular Orbital Theory
Idea tested: LUMO as Pi-Acceptor

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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.