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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)
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.
Describe an experiment to prove the following:
HCI is highly soluble in water.
Write the uses of hydrochIoric acid.
Fill in the blank:
Aqua-regia is a mixture of ___________ .
Fill in the blank:
___________ agent converts hydrochloric acid to chlorine.
Write equation for the reaction between hydrochloric acid of the following: Oxide of lead
What wilI you observed when concentrated HCI is added to lead (IV) oxide and warmed ?
In the laboratory preparation of hydrochloric acid, HCl gas is dissolved in water.
- Draw a diagram to show the arrangement used for the absorption of HCl gas in water.
- State why such an arrangement is necessary? Give two reasons for the same.
- Write the chemical equation for the laboratory preparation of HCl gas when the reaction is:
- Below 200°C
- Above 200°C
State one appropriate observation of the following:
Concentrated HCl is made to react with mangesediaoxide
