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g Does a reaction occur when aqueous solutions of chromium(III) sulfate and ammonium phosphate are combined

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Explanation:

The reduction potential of Cr III is more negative than that of NH4+ hence NH4+ will be displaced by Cr III from a solution of its salt according to the following reaction equation;

Cr2(SO4)3 + 2(NH4)3PO4--------->2CrPO4 + 3(NH4)2(SO4)

Hence;

A reaction occurs when aqueous solutions of chromium(III) sulfate and ammonium phosphate are combined.

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