Practice question

MCQ

Question

Which complex contains a ligand that donates four electrons to the metal ion?

Options

Choose one · Correct answer highlighted

[Co(en)2Cl₂]+ Correct [Co(NH₃)6]3+ [Ni(H₂O)4]2+ [Fe(CN)6]3−

Explanation

In [Co(en)2Cl₂]+, each en is bidentate, donating 4 electrons (2 per N atom) to Co.

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