alleryEthylenediamine (en, H₂N-CH₂-CH₂-NH₂) is a:
AMonodentate
BBidentate
CTridentate
DHexadentate
Answer & Solution
Correct answer: B. Bidentate
Two nitrogen donors per molecule — each lone pair on N coordinates with the metal.
Forms a 5-membered chelate ring; commonly used in [Co(en)₃]³⁺ etc.
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