Advertisements
Advertisements
प्रश्न
Explain the following:
Concentrated nitric add appears yellow when it is left standing in a glass bottle.
Advertisements
उत्तर
Although pure concentrated nitric acid is colorless, it appears yellow when left standing in a glass bottle due to the dissolution of reddish brown nitrogen dioxide gas in the acid. Nitrogen dioxide is produced because of the thermal decomposition of a portion of nitric acid.
4HNO3 → 2H2O + 4NO2 + O2
APPEARS IN
संबंधित प्रश्न
Write a balanced equation for the action of heat on a mixture of copper and concentrated nitric acid.
How will you prepare the following from nitric acid?
copper nitrate
The nitrate salt which does not give a mixture of NO2 and O2 on heating is ______.
What is the purpose of Conc. H2SO4 in the above preparation?
Explain with the help of a balanced equation, the brown ring test for nitric acid.
What happen when (Given balanced equation):
Limestone reacts with nitric acid?
Complete and balance the following equation :
HNO3 + FeSO4 + H2SO4 → ______________
The first step in the manufacture of nitric acid is the catalytic oxidation of ammonia. What is the name of the catalyst?
Write the equation for the reaction of dilute nitric acid with copper.
Write the equation for the reaction:
Aluminium nitride and Water.
