Gold
& plantinum dissolves in____
Answers
Answered by
1
Answer:
Aqua Regia is formed when one part of concentrated HNO
3
is mixed with 3 parts of concentrated HCl. It dissolves gold and platinum in following way.
Au+4H
+
+NO
3
−
+4Cl
−
→AuCl
4
−
+NO+2H
2
O
3Pt+16H
+
+18Cl
−
→3HCl
6
2−
+4NO+8H
2
O
Answered by
1
Answer:
"regal water" or "king's water") is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3. Aqua regia is a yellow-orange (sometimes red) fuming liquid, so named by alchemists because it can dissolve the noble metals, gold and platinum, though not all metals.
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