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प्रश्न
Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3, State the reason.
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उत्तर
Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3 because it forms an azeotropic mixture i.e, at 121°C it boils without any change in its concentration of the mixture with water
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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 carbon and conc. nitric acid is heated.
How will you prepare the following from nitric acid?
Lead nitrate
What is meant by the following term?
Decrepitation
How can 68% nitric acid be concentrated to 98% nitric acid?
What do you observe when?
Scrap zinc is heated with conc. HNO3?
What happen when (Given balanced equation):
Limestone reacts with nitric acid?
Complete and balance the following equation :
C + HNO3 → ___________
Complete and balance the following equation :
SO2 + HNO3 → ______________
Give reason for the following:
In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitatre should not be heated very strongly, above 200°C
