Aqua regia is prepared by mixing concentrated hydrochloric acid and concentrated nitric acid in a certain ratio. It is a highly corrosive, fuming liquid which can even dissolve metals like gold and platinum. What is the ratio of HCl and ${H N O}_{3}$ in aqua regia?

2 : 3

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3 : 1

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3 : 2

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1 : 3

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Solution

The correct option is B 3 : 1
Aqua regia is prepared by mixing concentrated hydrochloric acid and concentrated nitric acid in the ratio 3 : 1.
It is one of the few reagents that is able to dissolve noble metals such as gold and platinum.

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Similar questions

The ratio of concentrated hydrochloric acid and concentrated nitric acid in aqua regia is:

Aqua regia is prepared by mixing concentrated $HCl$ and concentrated ${HNO}_{3}$ in the ratio:

It is said that aqua regia can dissolve or corrode highly unreactive

Metals like gold and platinum.

Then how it is stored? In which container?

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