Crystals of hydrated chromium(III) chloride are green,
Chapter , Problem 23.24(choose chapter or problem)
Crystals of hydrated chromium(III) chloride are green, have an empirical formula of CrCl3 # 6 H2O, and are highly soluble, (a) Write the complex ion that exists in this compound. (b) If the complex is treated with excess AgNO3(aq), how many moles of AgCl will precipitate per mole of CrCl3 # 6 H2O dissolved in solution? (c) Crystals of anhydrous chromium(III) chloride are violet and insoluble in aqueous solution. The coordination geometry of chromium in these crystals is octahedral as is almost always the case for Cr 3+. How can this be the case if the ratio of Cr to Cl is not 1:6?
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