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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
Name the gas that is produced in the given cases :
Sulphur is oxidized by concentrated nitric acid.
Name the gas that is produced in the given case:
The action of cold and dilute nitric acid on copper
What is the fixation of Nitrogen?
During thunderstorm, rain water contains nitric acid. Explain with reactions.
Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3. State the reason.
Choose the correct word from the given options to complete the sentence :
Sulphur can be converted to sulphuric acid using __________ nitric acid.
Write the equation of the following reaction.
Sulphur can be converted to sulphuric acid using concentrated nitric acid.
Write a balanced equation for following :
Action of conc. Nitric acid on sulphur
Write sqauential observation for effect of heat on Copper nitrate.
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.
