Multiple choice

Linkage isomerism will be shown by which of the following?

i. SO32- ii. NO2- iii. SCN−

  1. Only 1

  2. Only 2

  3. Only 1 and 3

  4. Only 2 and 3

  5. All of the above
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

All the three given ligands will show linkage isomerism. The sulphito group (SO32-), an ambidentate ligand, can be coordinated to metal ions through either the oxygen or the sulphur. So, it will show linkage isomerism. NO2- is an ambidentate ligand. It can attach at either the nitrogen atom or the oxygen atom. Hence, it will show linkage isomerism. SCN− is an ambidentate ligand. Since it can attach at either the sulphur atom or the nitrogen atom, it will show linkage isomerism.

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