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प्रश्न
Explain, why (or give reasons for)
Only a very dilute solution of hydrogen chloride in water can be concentrated by boiling the solution while a very concentrated solution would become less concentrated when boiled.
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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) boils at a constant temperature of 110°C without any change in concentration. So if its concentration is high it will fall back at a lower concentration.
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संबंधित प्रश्न
How will you prepare hydrochloric acid in laboratory? OR
Describe briefly the method employed to dissolve hydrogen chloride gas in water as it is prepared. What is the purpose of funnel while preparing hydrochloric acid from HCI gas?
What would happen if
Hydrogen chloride prepared in laboratory, is passed through water, using a delivery tube.
Fill in the blank:
Aqua-regia is a mixture of ___________ .
Fill in the blank:
A constant boiling mixture of water and hydrochloric acid is also called as _______________.
Write a balanced equation for the reaction of zinc and dilute hydrochloric acid.
Why is hydrogen chloride not collected over water?
Correct the following statement:
Hydrochloric acid is prepared in the laboratory by passing hydrogen chloride directly through water.
Aqua regia is a mixture of ______.
State one appropriate observation of the following:
Which gas is evolved when potassium sulphite with dilute hydrochloric acid.
State one appropriate observation of the following:
Concentrated HCl is made to react with mangesediaoxide
