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प्रश्न
Give reason for the following:
Dilute hydrochloric acid cannot be concentrated by distilling (boiling) the dilute acid.
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उत्तर
Dilute hydrochloric acid cannot be concentrated beyond 22.2% (by weight) by distillation.This is due to the fact that this mixture (77.8% water+22.2% HCI) is an azeotropic mixture, it boils at a constant temperature of 110°C without any change in concentration.
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संबंधित प्रश्न
When dilute HCl is added to a salt Q, a brisk effervescence is produced and the gas turns lime water milky.
When NH4OH solution is added to the above mixture (after adding dilute HCl), it produces a white precipitate which is soluble in excess NH4OH solution.
The aim of the Fountain experiment is to prove that ______.
Study the figure given below and answer the questions which follow:
- Identify the gas Y.
- What property of gas Y does this experiment demonstrate?
- Name another gas which has the same property and can be demonstrated through this experiment.
How is the gas collected and why?
How can you prove that hydrochloric acid contain :
Chlorine?
How will you show that hychloric acid contains both hydrogen and chlorine (other than by electrolysis) ?
The following question is pertaining to the laboratory preparation of hydrogen chloride gas.
Write the equation for its preparation, mentioning the condition required.
The aim of the fountain experiment is to prove that
What property of hydrogen chloride is demonstrated when it is collected by downward delivery (Upward displacement)?
State the following:
The drying agent used in the laboratory preparation of HCl gas.
