Practice question
Question
How many moles of AgCl precipitate when 1 mole of [Cr(H₂O)5Cl]Cl₂ reacts with excess AgNO₃?
Explanation
In [Cr(H₂O)5Cl]Cl₂, the 2 Cl− ions outside the coordination sphere are ionizable and form AgCl, while the inner Cl is a ligand. Thus, 2 moles precipitate.
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