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NEET levelSingle correct optionDifficulty 1 of 3cc003

Which of the following is an ambidentate ligand?

A $NO X_{2} X^{-}$
B $Cl X^{-}$
C $NH X_{3}$
D $C X_{2} O X_{4} X^{2 -}$

Answer: A

An ambidentate ligand has two different donor atoms, either of which can bind to the metal.

NO X_{2} X^{-}

can bind through N (nitro) or through O (nitrito). The other three have only one kind of donor atom.

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