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प्रश्न
Write a balanced equation for following :
Laboratory preparation nitric acid.
उत्तर
\[\ce{KNO3 + H2SO4 ->[>200°C] KHSO4 + HNO3}\]
OR
\[\ce{NaNO3 + H2SO4 ->[<200°C] NaHSO4 + HNO3}\]
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संबंधित प्रश्न
How will you prepare the following from nitric acid?
Magnesium nitrate
The action of heat on the blue crystalline solid X gives a reddish brown gas Y, a gas which re-lights a glowing splint and leaves a black residue. When gas Z, which has a rotten egg smell, is passed through a solution of X, a black ppt. is formed.
- Identify X, Y and Z.
- Write the equation for action of heat on X.
- Write the equation between solution X and gas Z.
How is nitric acid prepared in laboratory?
Give two chemical tests for nitric acid.
What happen when (Given balanced equation):
Limestone reacts with nitric acid?
Complete and balance the following equation :
C + HNO3 → ___________
Why should the temperature of the reaction mixture of nitric acid not be allowed to rise above 200oC?
Explain the following :
An all glass apparatus is used in the laboratory preparation of nitric acid.
Explain why only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
From the following list of substances, choose one substance in the case which matches the description given below:
Ammonium nitrate, calcium hydrogen carbonate, copper carbonate, lead nitrate, potassium nitrate, sodium carbonate, sodium hydrogen carbonate, zinc carbonate.
A Substance that gives off only oxygen when heated.
