MHT CET Medical202621 April 2026Evening ShiftChemistryCoordination CompoundsActual
What type of ligand the oxalate ion is?
Options
- AMonodentate
- BBidentate
- CHexadentate
- DAmbidentate
Correct answer
B. Bidentate
Step-by-step solution
The oxalate ion is C₂O₄²⁻ . It contains two donor oxygen atoms which can simultaneously coordinate to a central metal atom or ion. Since it has two donor sites, it acts as a bidentate ligand. Answer: Bidentate