Practice question

MCQ

Question

Which complex has a coordination sphere that conducts electricity in solution due to 3 ionizable ions?

Options

Choose one · Correct answer highlighted

[Co(NH₃)5Cl]Cl₂ [Co(NH₃)6]Cl₃ Correct [Ni(NH₃)4]Cl₂ [Fe(H₂O)6]SO₄

Explanation

[Co(NH₃)6]Cl₃ dissociates into [Co(NH₃)6]3+ and 3 Cl−, producing 4 ions total, but the sphere itself is associated with 3 counter ions.

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