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प्रश्न
Write the equation to show the reaction between the following:
Between copper and concentrated nitric acid.
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उत्तर
\[\ce{Cu + 4HNO3 ->[\Delta] Cu(NO3)2 + 2NO2 + 2H2O}\]
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संबंधित प्रश्न
State one relevant observation for the following:
When crystals of copper nitrate are heated in a test tube.
What is aqua fortis?
What is : aqua regia
- Write a balanced chemical equation for the laboratory preparation of nitric acid.
- In the preparation of nitric acid from KNO3, concentrated hydrochloric acid is not used in place of concentrated sulphuric acid. Explain why?
- Conc. nitric acid prepared in the laboratory is yellow in colour. Why? How is this colour removed?
- Give reasons for the following:
In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitrate should not be heated very strongly above 200°C.
In the preparation of nitric acid from KNO3 concentrated hydrochloric acid is not used in place of concentrated sulphuric acid. Explain why?
Write a balanced equation and name the products formed when sodium hydrogen carbonate is added to nitric acid.
Write the balanced equation for the following:
Action of concentrated nitric acid on copper.
Write the balanced equation for the following:
Action of heat on AgNO3
Fill in the blank using the appropriate words given below:
Hot, concentrated nitric add reacts with sulphur to form ______.
Write a balanced equation for following :
Action of cold and dilute nitric acid on copper
