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प्रश्न
What is : aqua regia
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उत्तर
Aqua Regia: Conc. Nitric acid (1part by volume) when mixed with conc. Hydrochloric acid (3 parts by volume) gives a mixture called aqua regia. It means Royal water .
HNO3 +3HCl → NOCl +2H2O +2[Cl]
संबंधित प्रश्न
State one relevant observation for the following:
When crystals of copper nitrate are heated in a test tube.
Write a balanced equation for the action of warm water on magnesium nitride.
Give reason why concentrated nitric acid prepared in the laboratory is yellow in colour. State how the colour of the acid is removed.
Write a balanced equation and name the products formed when sodium hydrogen carbonate is added to nitric acid.
Write the balanced equation for the following:
Action of concentrated nitric acid on copper.
Write the balanced equation for the following:
Action of heat on AgNO3
Write the equation of the following reaction.
Sulphur can be converted to sulphuric acid using concentrated nitric acid.
Write equation to show the reaction between the following:
Copper and concentrated nitric acid.
From the formulae listed below, Choose, one, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4, 7H2O.
On heating this, salt changes from green to black.
Convert the following reaction into a balanced chemical equation:
Ammonia to nitric oxide using oxygen and platinum catalyst.
