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प्रश्न
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid:
(i) Name A (a liquid), B( a Solid) and C(a liquid).
(ii) write the balanced chemical equation to show how nitric acid undergoes decomposition.
(iii) Write the balanced chemical equation for the reaction in which copper is oxidized by concentrated nitric acid.
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उत्तर
(i) A = Sulphuric acid, B = potassium nitrate, C= nitric acid
(ii) \[\ce{4HNO3 -> 4NO2 + 2H2O + O2}\]
(iii) \[\ce{Cu + 4HNO3 ->[\Delta] Cu(NO3)2 + 2NO2 + 2H2O}\]
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संबंधित प्रश्न
Why is the temperature maintained at 200°C in the above reaction?
Name the catalyst used in Ostwald process.
Explain with the help of a balanced equation, the brown ring test for nitric acid.
Give reason for the following:
Concentrated nitric acid is brown in colour.
Choose the correct answer from the option given below:
The catalyst used in the manufacture of HNO3 by Ostwald process is
Complete and balance the following equation:
Cu + HNO3 → NO2 + ________+ _________
Name (formula is not acceptable) the gas produced in the following reaction:
On warming ammonium sulphate with sodium hydroxide solution.
Write the equation to show the reaction between the following:
Dilute nitric acid to produce carbon dioxide.
Account for the yellow colour that appears in concentrated nitric acid when it is left standing in an ordinary glass bottle.
What would you observe in the following case:
Copper is heated with concentrated nitric acid in a hard glass test tube.
