Fundamentholfundamenthol
NEET2026Chemistry
Q.

Which one of the following is an ambidentate ligand?

  1. A

    Oxalate

  2. B

    Ethane–1, 2–diamine

  3. C

    Thiocyanate

  4. D

    Ethylenediaminetetraacetate ion

Solution

An ambidentate ligand has more than one donor atom but can bind through only one at a time. Thiocyanate (SCN) can coordinate through S (giving SCN) or through N (giving NCS).

Oxalate is bidentate, ethylenediamine is bidentate, and EDTA is hexadentate, but none of these are ambidentate.

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