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प्रश्न
Explain the following:
Concentrated nitric add appears yellow when it is left standing in a glass bottle.
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उत्तर
Although pure concentrated nitric acid is colorless, it appears yellow when left standing in a glass bottle due to the dissolution of reddish brown nitrogen dioxide gas in the acid. Nitrogen dioxide is produced because of the thermal decomposition of a portion of nitric acid.
4HNO3 → 2H2O + 4NO2 + O2
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संबंधित प्रश्न
Name the products formed when carbon and conc. nitric acid is heated.
Ammonia is used in the Ostwald process.
Give the sources of reactants used in this process.
Explain with the help of a balanced equation the brown ring test for nitric acid.
Name the Following:
Gas obtained by treating manganese with 1% nirtric acid.
Can we use conc. HCl in place of Conc. H2SO4 ?
In which ratio reactants are taken in Ostwald process?
Give reason for the following:
Commercial nitric acid is yellow in colour, but when it is diluted with water, it turns colourless.
Complete and balance the following equation :
SO2 + HNO3 → ______________
Choose the correct answer from the option given below:
The catalyst used in the manufacture of HNO3 by Ostwald process is
State, what is observe when nitric acid is kept in a reagent bottle for a long time.
