JEE Main 2021ChemistryCoordination CompoundsCoordination NumbereasyNumerical

JEE Main 2021Coordination Compounds Question with Solution

From: JEE Main 2021 (Online) 18th March Morning Shift

Question

The total number of unpaired electrons present in the complex K3[Cr(oxalate)3] is _____________.

Enter your answer

Show full solutionCorrect answer: 3
Correct answer
3

Step-by-step explanation

In , oxidation number of Cr :







Number of unpaired electrons = 3

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Coordination Compounds chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

This is a previous-year question from JEE Main 2021, 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.