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Topic: Isomerism in coordination compounds· Coordination Compounds

Match List I with List II.List I (Complex): 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_3List II (Type of isomerism): I. Solvate isomerism II. Linkage isomerism III. Ionization isomerism IV. Coordinat…

Match List I with List II.

List I (Complex): 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. \([Co(H_2O)_6]Cl_3\)

List II (Type of isomerism): I. Solvate isomerism II. Linkage isomerism III. Ionization isomerism IV. Coordination isomerism

Choose the correct answer from the options given below:

1. A-II, B-IV, C-III, D-I

2. A-II, B-III, C-IV, D-I

3. A-I, B-III, C-IV, D-II

4. A-I, B-IV, C-III, D-II

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Best answer

Answer: 2. A-II, B-III, C-IV, D-I

Key idea: match each complex to the isomerism it can show.

  • A, \(\mathrm{[Co(NH_3)_5(NO_2)]Cl_2}\): \(\mathrm{NO_2^-}\) is ambidentate, so linkage isomerism (II).
  • B, \(\mathrm{[Co(NH_3)_5(SO_4)]Br}\): \(\mathrm{SO_4^{2-}}\) and \(\mathrm{Br^-}\) can swap inside/outside, ionization isomerism (III).
  • C, \(\mathrm{[Co(NH_3)_6][Cr(CN)_6]}\): ligands can swap between two complex ions, coordination isomerism (IV).
  • D, \(\mathrm{[Co(H_2O)_6]Cl_3}\): water inside or outside, solvate (hydrate) isomerism (I).

Option 2.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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