Questions/P Block elements G15-18/Write the chemical e...
Group 17 ElementsP Block elements G15-18

Write the chemical equation for the reaction of Gold (AuAu) with Aqua Regia.

Expert Answer

Au+4H++NO3−+4Cl−→AuCl4−+NO+2H2OAu + 4H^+ + NO_3^- + 4Cl^- \rightarrow AuCl_4^- + NO + 2H_2O.

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