JEE Main Chemistry question

Which kind of isomerism is exhibited by the octahedral complex [Co(NH_3)_4Br_2]Cl?

(A)Geometrical and ionisationCorrect
(B)Geometrical only
(C)Geometrical and optical
(D)Optical and ionisation

Answer: (A)

Solution

The -type cation can adopt *cis* or *trans* arrangements of the two ligands — geometrical isomerism. Additionally, [Co(NH_3)_4Br_2]Cl has the same overall molecular formula as [Co(NH_3)_4BrCl]Br

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Question ID VK-155510