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प्रश्न
Why does pure nitric acid take on a yellowish brown colour when exposed to light?
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उत्तर
Yellowish brown colour of nitric acid is due to the presence of nitrogen dioxide formed due to thermal decomposition of nitric acid.
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संबंधित प्रश्न
Name a solution which absorbs nitric oxide.
The chemical used in the brown ring test is ______.
Name the Following:
Gas obtained by treating manganese with 1% nirtric acid.
Write balanced equation and name the product formed when :
Sodium hydrogen carbonate is added to nitric acid.
Write balanced equation and name the product formed when :
Zinc reacts with dilute nitric acid.
Give the name of a soluble lead salt and write the eqution for the action of heat on this salt. Write the equation for the preparation of nitric acid from potassium nitrate.
Write balanced equation for the reaction between nitrogen and oxygen, when lightning strikes.
Why should the temperature of the reaction mixture of nitric acid not be allowed to rise above 200oC?
Explain the following:
Dilute nitric acid is generally considered a typical acid but not so in its reaction with metals.
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.
