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JEE Main 20231 FebruaryEvening Shift
Exam
JEE Main
Year
2023
Date
1 February
Shift
Evening Shift
Subject
Chemistry
Chapter
Coordination Compounds

JEE Main 2023 · 1 February · Evening Shift · Chemistry · Coordination Compounds

The complex cation which has two isomers is:

The complex cation which has two isomers is:

Options

  1. A[Co(H2O)6]3+{\left[Co{\left({H}_{2}O\right)}_{6}\right]}^{3 +}
  2. B[Co(NH3)5Cl]2+{\left[Co{\left({NH}_{3}\right)}_{5}Cl\right]}^{2 +}
  3. C[Co(NH3)5NO2]2+{\left[Co{\left({NH}_{3}\right)}_{5}{NO}_{2}\right]}^{2 +}
  4. D[ Co (NH3)5Cl]+{\left[\text{ Co }{\left({NH}_{3}\right)}_{5}Cl\right]}^{+}

Correct answer

C. [Co(NH3)5NO2]2+{\left[Co{\left({NH}_{3}\right)}_{5}{NO}_{2}\right]}^{2 +}

Step-by-step solution

The complex shows linkage isomerism in the presence of ambidentate ligands.

[Co(NH3)5NO2]2+{\left[Co{\left({NH}_{3}\right)}_{5}{NO}_{2}\right]}^{2 +} shows linkage isomerism, because NO2−{{NO}_{2}}^{-} ligand is ambidentate ligand.

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