What is the function of HCl in aqua regia

Asked by lovemaan5500 | 2nd Oct, 2017, 12:07: PM

Expert Answer:

In aqua regia, HCl forms tetrachloroauric acid H(AuCl4) complex with gold. 
 
2Au + 3HNO3 + 11HCl → 2H[AuCl4] + 6H2O + 3NOCl

Answered by Prachi Sawant | 3rd Oct, 2017, 12:30: PM

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