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Match List-I with List-II regarding the type of isomerism shown by the given coordination complexes.
Column I
- A. $[Co(NH_3)_5(NO_2)]Cl_2$
- B. $[Co(NH_3)_5(SO_4)]Br$
- C. $[Co(NH_3)_6][Cr(CN)_6]$
- D. $[Co(H_2O)_6]Cl_3$
Column II
- I. Solvate isomerism
- II. Linkage isomerism
- III. Ionization isomerism
- IV. Coordination isomerism
Correct answer: A → II, B → III, C → IV, D → I
Detailed Solution
$[Co(NH_3)_5(NO_2)]Cl_2$: $NO_2^-$ is ambidentate – linkage isomerism
$[Co(NH_3)_5(SO_4)]Br$: exchange of ions inside and outside the coordination sphere – ionization isomerism
$[Co(NH_3)_6][Cr(CN)_6]$: interchange of ligands between cationic and anionic complexes – coordination isomerism
$[Co(H_2O)_6]Cl_3$: water as ligand vs water of crystallisation – solvate (hydrate) isomerism
Correct match: A-II, B-III, C-IV, D-I.