Question

what is aqua regia? Give full explanation. ​

Answer 1

It is a mixture of concentrated nitric and hydrochloric acids.

• It is a highly corrosive liquid able to attack gold and other resistant substances.

Aqua regia, mixture of concentrated nitric and hydrochloric acids, usually one part of the former to three parts of the latter by volume.

This mixture was given its name (literally, “royal water”) by the alchemists because of its ability to dissolve gold and other so-called noble metals.

Formula: HNO₃+3 HCl

Boiling point: 108 °C

Melting point: -42 °C

Density: 1.21 g/cm³

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Answer 2

Answer:

Aqua regia is a mixture of hydrochloric acid (HCl) and nitric acid (HNO3) at a ratio of either 3:1 or 4:1. It is a reddish-orange or yellowish-orange fuming liquid. The term is a Latin phrase, meaning "king's water". The name reflects the ability of aqua regia to dissolve the noble metals gold, platinum, and palladium. Note: aqua regia will not dissolve all noble metals. For example, iridium and tantalum are not dissolved.

Aqua regia is also known as royal water, or nitro-muriatic acid .

It's formula:HNO₃+3 HCl

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