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Which type of isomerism arises when two ligands can bind through different donor atoms (e.g., NO2⁻ via N vs O)?
AOptical
BLINKAGE isomerism
CIonization
DGeometric (cis-trans)
Answer & Solution
Correct answer: B. LINKAGE isomerism
Linkage isomerism arises from ambidentate ligands (those with multiple donor atoms). E.g., NO2⁻ can bind via N (nitro) or O (nitrito). Other examples: SCN⁻ via S or N, CN⁻ via C or N.
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