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प्रश्न
State, what is observe when nitric acid is kept in a reagent bottle for a long time.
उत्तर
If nitric acid is kept in a bottle for long time then it will become brown in colour.
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संबंधित प्रश्न
Explain the following:
An all-glass apparatus is used in the laboratory preparation of nitric acid.
Name the products formed when dilute \[\ce{HNO3}\] is added to copper.
The nitrate salt which does not give a mixture of \[\ce{NO2}\] and \[\ce{O2}\] on heating is ______.
Name the Following:
Two coloured nitrates.
Give three equations of the reaction to prove that nitric acid is an acid.
Give reason for the following:
In laboratory preparation of nitric acid all the apparatus including cork should be made up of glass.
Give reason for the following:
Nitric acid is used in purification of gold.
Fill in the blank with appropriate word.
Furning nitric acid is obtained by dissolving an excess of _______ in conc. Nitric acid
Name the compounds required for the laboratory preparation of nitric acid.
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.
