alleryIn [Co(NH₃)₆]Cl₃, the number of ionizable Cl⁻ in solution is:
A1
B0
C2
D3 (all Cl⁻ are outside coordination sphere)
Answer & Solution
Correct answer: D. 3 (all Cl⁻ are outside coordination sphere)
[Co(NH₃)₆]Cl₃ → [Co(NH₃)₆]³⁺ + 3 Cl⁻ in water.
All 3 Cl⁻ are counter ions, not coordinated.
**So gives precipitate of 3 AgCl with AgNO₃.**
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