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Friday, 9 October

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JEE Main 2024 · ChemistryMultiple choiceSingle correctMediumRecall

JEE Main 29 January 2024, Shift 1, Chemistry Q69

Question 69 of 90 in this shift, Chemistry question 9 of 30, Section A.

In which one of the following metal carbonyls, CO forms a bridge between metal atoms?

(1) $\mathrm{[Mn_2(CO)_{10}]}$
(2) $\mathrm{[Co_2(CO)_8]}$ Official answer
(3) $\mathrm{[Os_3(CO)_{12}]}$
(4) $\mathrm{[Ru_3(CO)_{12}]}$

Official answer

Option 2

NTA final key.

Chapter: Coordination Compounds
Topic: No close match in our taxonomy
Idea tested: No close match in our taxonomy

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