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Which of the following is used for disso...

Which of the following is used for dissolution of gold ?

A

Hydrochloric acid

B

Sulphuric acid

C

Nitric acid

D

Aqua regia

Text Solution

Verified by Experts

The correct Answer is:
D
Aqua Regia is a mixture of concentrated `HNO_(3)` and concentrated HCl. Concentrated `HNO_(3)` acts as a very strong oxidising agent which ionises. An atoms and Concentrated HCl produces nascent chlorine which in turn reacts with ionised An atoms thus forming auric chloride.
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