Advertisements
Advertisements
प्रश्न
How is nitric acid prepared in laboratory?
Advertisements
उत्तर
In laboratory, nitric acid is prepared by heating a mixture of concentrated sulphuric acid and potassium or sodium nitrate with Conc. H2SO4 at 200°C.
\[\ce{KNO3 + H2SO4 -> KHSO4 + HNO3}\]
APPEARS IN
संबंधित प्रश्न
Ammonia is used in the Ostwald process.
Give the sources of reactants used in this process.
Give two chemical equations for the following:
Nitric acid showing as acidic character.
How will you prepare the following from nitric acid?
Lead nitrate
Give reason for the following:
Aqua regia dissolves gold and platinum.
Write balanced equation and name the product formed when :
Zinc reacts with dilute nitric acid.
What do you observe when?
Conc. HNO3 drops on the skin of a person?
What happens when (Given balanced equation) :
Sulphar is added to hot and conc. HNO3?
What happen when (Given balanced equation):
Nitric acid is added to washing soda and the resulting gas is passed through a freshly prepared lime water?
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid:
(i) Name A (a liquid), B( a Solid) and C(a liquid).
(ii) write the balanced chemical equation to show how nitric acid undergoes decomposition.
(iii) Write the balanced chemical equation for the reaction in which copper is oxidized by concentrated nitric acid.
Give a balanced equation for the following reaction:
Copper reacts with concentrated nitric acid.
