JEE Main 2021 — Coordination Compounds Question with Solution
From: JEE Main 2021 (Online) 26th August Evening Shift
Question
Indicate the complex/complex ion which did not show any geometrical isomerism :
Choose an option
Show full solutionCorrect option: B
Correct answer
B[Co(CN)5(NC)]3
Step-by-step explanation
(a) [CoCl2(en)2] show Cis-trans isomerism
(b) [Co(CN)5(NC)]3 can't show G.I.
(3) [Co(NH3)3(NO2)3] show fac & mer isomerism
(d) [Co(NH3)4Cl2]+ show cis & trans isomerism
(b) [Co(CN)5(NC)]3 can't show G.I.
(3) [Co(NH3)3(NO2)3] show fac & mer isomerism
(d) [Co(NH3)4Cl2]+ show cis & trans isomerism
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.