Multiple choice

Which of the following ligands cannot form a chelate complex?

  1. EDTA

  2. Oxalate

  3. Sulphate

  4. Ethylenediamine

  5. Thiocyanate

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This option is correct because SCN is an ambidentate ligand. Since, it can attach at either the sulphur atom or the nitrogen atom, chelate formation is not possible.