Question 4
Added on: Sep 19, 2026
SCQMEDIUM
Among the following options, select the option in which each complex in Set-I shows geometrical isomerism and the two complexes in Set-II are ionization isomers of each other.
(A)
Set-I: and ;
Set-II: and
(B)
Set-I: and ;
Set-II: and
(C)
Set-I: and ;
Set-II: and
(D)
Set-I: and ;
Set-II: and
Detailed Solution
In Set-I of option (C):
- is an type octahedral complex which exhibits facial (fac) and meridional (mer) geometrical isomers.
- is an type octahedral complex which exhibits cis and trans geometrical isomers.
In Set-II of option (C): and are ionization isomers because they yield different ions in solution ( and respectively) due to the exchange of ligands between the coordination sphere and the counter-ion position.
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