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प्रश्न
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid.
- Name A (a liquid), B (a solid), and C (a liquid). (Do not give the formulae.)
- Write an equation to show how nitric acid undergoes decomposition.
- Write the equation for the reaction in which copper is oxidised by concentrated nitric acid.
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उत्तर
- A: Conc. sulphuric acid
B: Sodium nitrate or Potassium nitrate
C: Nitric acid - \[\ce{4HNO3 ->[Heat][Sunlight] 4NO2 + 2H2O + O2}\]
- \[\ce{Cu + 4HNO3 -> Cu(NO3)2 + 2NO2 + 2H2O}\]
संबंधित प्रश्न
Write a balanced equation for the action of heat on a mixture of copper and concentrated nitric acid.
Give two chemical equations for the following:
Reactions of nitric acid with non-metals.
Name a solution which absorbs nitric oxide.
Name the Following:
Salt used in the laboratory to prepare nitric acid
Name the Following:
Product obtained by heating concentrated nitric acid.
Why is the temperature maintained at 200°C in the above reaction?
Describe the Ostwald's process for the manufacture of nitric acid with labeled diagram.
Account for the yellow colour that appears in concentrated nitric acid when it is left standing in an ordinary glass bottle.
Write the equation for the reaction of dilute nitric acid with copper.
A dilute acid B does not normally give hydrogen when reacted with metals but does give a gas when it reacts with copper. Identify B. Write the equation with copper.
