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JEE Main 2022 · ChemistryNumerical answerNumerical valueMediumRecall

JEE Main 24 June 2022, Shift 1, Chemistry Q87

Question 87 of 90 in this shift, Chemistry question 27 of 30, Section B.

In the cobalt-carbonyl complex :

\mathrm{[Co_2(CO)_8]}

, number of Co-Co bonds is "X" and terminal CO ligands is "Y". X + Y = ______.

Official answer

7

NTA final key (2022 Session 1).

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.