What is royal water?

Answer 1

It is used by jweelers to clean jweelry

Answer 2

Royal Water

Answer 3

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What is royal water?

Answer 4

Royal water-

Aqua regia (Latin for "royal water") is a highly corrosive, fuming yellow or red solution. The mixture is formed by freshly mixing concentrated nitric acid and concentrated hydrochloric acid, usually in a volumetric ratio of one to three respectively. It is one of the few reagents that dissolves gold and platinum. It was so named because it can dissolve the so-called royal, or noble metals, although tantalum, iridium, and a few other metals are able to withstand it.

Aqua regia is used in etching and in certain analytic procedures. It is also used in some laboratories to clean glassware of organic compounds and metal particles. This method is preferred over the "traditional" chromic acid bath for cleaning NMR tubes because no traces of paramagnetic chromium can remain, ruining acquired spectra.[1] It is important to note that chromic acid baths are discouraged because of chromium toxicity and the potential for explosions. Aqua regia is itself very corrosive and has been implicated in several explosions as well due to mishandling and it should not be used unless gentler cleaning techniques such as the use of brushes, sonication, detergents, or milder oxidisers are inadequate.[2]

Due to the reaction between its components resulting in its decomposition, aqua regia quickly loses its effectiveness. As such, its components should only be mixed immediately before use. While local regulations may vary, aqua regia may be disposed of by carefully neutralizing with an appropriate agent - such as sodium bicarbonate - before pouring down the sink. If there is a large amount of metal in solution with the acid, it may be preferable to carefully neutralize it, and adsorb the solution on a solid material such as vermiculite before discarding it with solid waste. This practice should not be used when EPA regulated or otherwise toxic metals are present

Aqua regia dissolves gold, even though neither constituent acid will do so alone, because, in combination, each acid performs a different task. Nitric acid is a powerful oxidizer, which will actually dissolve a virtually undetectable amount of gold, forming gold ions (Au3+). The hydrochloric acid provides a ready supply of chloride ions (Cl-), which react with the gold to produce chloraurate anions, also in solution. The reaction with hydrochloric acid is an equilibrium reaction which favors formation of chloraurate anions (AuCl4-). This results in a removal of gold ions from solution and allows further oxidation of gold to take place, and so the gold is dissolved. In addition, gold may be oxidized by the free chlorine present in aqua regia.

When Germany invaded Denmark in World War II, the Hungarian chemist George de Hevesy dissolved the gold Nobel Prizes of Max von Laue and James Franck into aqua regia to prevent the Nazis from stealing them. He placed the resulting solution on a shelf in his laboratory at the Niels Bohr Institute. After the war, he returned to find the solution undisturbed and precipitated the gold out of the acid. The gold was returned to the Royal Swedish Academy of Sciences and the Nobel Foundation presented new medals to Laue and Franck.

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Answer 5

Also known as aquaregia, it is a mixt. of 2parts of conc. nitric acid and 4parts of conc. HCl.acid.
It has the property of dissolving gold which is considered as a noble/royal metal.
Hence the name royal H2O.

Answer 6

Actually, it is never called "royal water", the original Latin name "aqua regia" is used.
It is a mixture of concentrated nitric and hydrochloric acid, able to attack and oxidize gold. Since gold is able to resist most acid, aqua regia was thought to be special in this way, and that is where it got its name from, as it can attack so called "noble" metal.

Answer 7

we attach the word 'royal' to something inherited and considerred unachievable in real life. we are fooled into believing such no-sense. no water is therefore royal or ordinary. water potable is royal to animals and water otherwise are useful to living plants . therefore all the nature gift, the water is/are royal as it sustain/support life

Answer 8

royl water meaning a LOVE POTION