JEE Main 2021ChemistryCoordination CompoundsEasyMCQ

JEE Main 2021Coordination Compounds Question with Solution

JEE Main 2021 (26 Aug Shift 2)

Question

Indicate the complex/complex ion which did not show any geometrical isomerism :

Choose an option

Show full solutionCorrect option: C
Correct answer
CCo(CN)5(NC)3-

Step-by-step explanation

1CoNH34Cl2+show cis-trans isomerism.
2CoCl2(en)2 show cis-trans isomerism.
3CoNH33NO23 show fac-mer isomerism.
4[Co(CN)5(NC)]3-can't show geometrical isomerism due to the presence of plane of symmetry.

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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.