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प्रश्न
How can you prove that hydrochloric acid contain :
Hydrogen
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उत्तर
On reaction with metals, hydrochloric acid forms respective chlorides and liberates hydrogen.
Zn + 2HCI → ZnCl2 + H2 ↑
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संबंधित प्रश्न
Explain, why (or give reasons for)
Hydrochloric acid cannot be concentrated above 22.2% by boiling.
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.
Explain, why (or give reasons for)
A solution of HCl gas in water turns blue litmus red and conducts electricity, while HCI gas dissolves in toluene and it has no effect on litmus and does not conduct electricity.
Explain, why (or give reasons for)
An aqeous solution of chlorine is acidic is nature.
What would happen if :
Concentrated hydrochloric acid is kept open.
What would happen if
Hydrogen chloride prepared in laboratory, is passed through water, using a delivery tube.
Fill in the blank:
The white precipitate of lead chloride is soluble in _________
Name the gas evolved when an oxide and concentrated hydrochloric acid are heated.
State one reason why tap water is not used to prepare a solution of silver nitrate in the laboratory.
Correct the following statement:
Hydrochloric acid is prepared in the laboratory by passing hydrogen chloride directly through water.
