JEE Main 2023 — Coordination Compounds Question with Solution
From: JEE Main 2023 (Online) 24th January Morning Shift
Question
The primary and secondary valencies of cobalt respectively in are :
Choose an option
Show full solutionCorrect option: D
Correct answer
D3 and 6
Step-by-step explanation
x + 5 (0) – 1 = + 2 x = + 3
Secondary valency is the number of ligands in the complex which is equal to 6.
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This is a previous-year question from JEE Main 2023, 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.