Question

The CORRECT chemical constituent of aqua regia which dissolves Au and Pt? (A) 3 parts of ConcH2SO4 and 1 part of Conc. HCI (B) 3 parts of Conc. HCl and 1 part of Conc. H2SO. (C) 3 parts of Conc. HCl and 1 part of Conc.HNO, C : (D) 2 parts of Conc. HNO3 and I part of Conc. HCI​

Answer 1

Answer:

(C) 3 parts of Conc. HCl and 1 part of Conc.HNO3

Explanation:

Aqua regia (/ˈreɪɡiə, ˈriːdʒiə/; from Latin, lit. "regal water" or "royal water") is a mixture of nitric acid and hydrochloricacid, optimally in a molar ratio of 1:3.