Advertisements
Advertisements
प्रश्न
What do you observe when?
Scrap zinc is heated with conc. HNO3?
Advertisements
उत्तर
When scrap zinc is heated with conc, HNO3 formation of zinc nitrate, water and nitrogen dioxide will occur.
\[\ce{Zn + 4HNO3 -> Zn(NO3)2 + 2H2O + 2NO2}\]
APPEARS IN
संबंधित प्रश्न
Ammonia is used in the Ostwald process.
Name the oxidising agent used in this process.
Name the Following:
Salt used in the laboratory to prepare nitric acid
Write the equations involved in Ostwald process.
What do you observe when?
Hydrogen sulphide is bubbled through conc. HNO3?
Complete and balance the following equation :
C + HNO3 → ___________
Give reason for the following:
Commercial concentrated nitric acid is yellow in colour, but when it is dilute with water, it turns colourless.
Give one chemical test for nitric acid.
Name the product, catalyst and approximate temperature maintained in Ostwald's process. How is the temperature maintained in the Ostwald's process?
Name the gas evolved:
The gas produced on heating sodium nitrate.
Explain the following:
Dilute nitric acid is generally considered a typical acid but not so in its reaction with metals.
Explain why only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
