alleryWhich is an example of an **ambidentate** ligand?
ACl⁻
BEDTA
CEthylenediamine
D$NO_2^-$ (can bind via N or via O)
Answer & Solution
Correct answer: D. $NO_2^-$ (can bind via N or via O)
Ambidentate = two possible donor atoms, but only one binds at a time.
$NO_2^-$ binds via N (nitro) or O (nitrito)
SCN⁻ binds via S (thiocyanato) or N (isothiocyanato).
EDTA and en are polydentate (use multiple donors simultaneously), not ambidentate.
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