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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
Explain the following:
An all-glass apparatus is used in the laboratory preparation of nitric acid.
Name a metal nitrate which on heating is changed into metal oxide.
Give the chemical name and formula of the substance formed as a brown ring in the test for nitrate radical.
How is nitric acid prepared in laboratory?
Give reason for the following:
Aluminum does not react with nitric acid of any concentration.
Write the equation for the reaction:
Aluminum, Nitride and Water.
Lead nitrate decomposes on heating to give ______.
Write the equation for the reaction of dilute nitric acid with copper.
Explain why nitric acid is kept in a reagent bottle for a long time.
What is the property of nitric acid which allows it to react with copper?
