JEE Main 2020 · ChemistryMultiple choiceSingle correctEasyConceptual

JEE Main 9 January 2020, Shift 2, Chemistry Q36

Question 36 of 75 in this shift, Chemistry question 11 of 25, Section A.

The isomer(s) of

\mathrm{[Co(NH_3)_4Cl_2]}

that has/have a Cl-Co-Cl angle of

90^\circ

, is/are :

(1)trans only
(2)cis onlyOfficial answer
(3)cis and trans
(4)meridional and trans

Official answer

Option 2

NTA final key (Jan 2020).

Chapter: Coordination Compounds
Topic: Coordination Isomerism
Idea tested: Geometrical Isomerism in MA4B2 Octahedral Complexes

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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.