Advertisements
Advertisements
प्रश्न
How can 68% nitric acid be concentrated to 98% nitric acid?
Advertisements
उत्तर
98% nitric acid is obtained by distilling 68% nitric acid with conc. H2SO4 under reduced pressure. The function of H2SO4 is to absorb water.
APPEARS IN
संबंधित प्रश्न
Explain the following:
Dilute nitric acid is generally considered a typical acid but not so in its reaction with metals.
Ammonia is used in the Ostwald process.
Name the catalyst used in the process.
What is the purpose of Conc. H2SO4 in the above preparation?
Name the process used for the manufacture of nitric acid.
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?
Complete and balance the following equation:
Cu + HNO3 → NO2 + ________+ _________
Write a balanced equation for the production of nitrogen dioxide using copper.
During a thunderstorm, the rainwater contains nitric acid. The nitric acid is formed as a result of three chemical reactions. Describe or write balanced chemical equation for these three reactions.
The first step in the manufacture of nitric acid is the catalytic oxidation of ammonia. What is the name of the catalyst?
Account for the yellow colour that appears in concentrated nitric acid when it is left standing in an ordinary glass bottle.
