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प्रश्न
Explain, why (or give reasons for)
An aqeous solution of chlorine is acidic is nature.
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उत्तर
Dissolved chlorine reacts slowly with water to give hydrochloric acid and hypochlorous acid :
Cl2 + H2O → HCl + HCIO
Formation of Hydrochloric acid in the reaction is responsible for the acidic nature.
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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.
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:
A constant boiling mixture of water and hydrochloric acid is also called as _______________.
Fill in the blank:
___________ agent converts hydrochloric acid to chlorine.
Fill in the blank:
Hydrogen and chlorine reacts in presence of ___________ to form hydrogen chloride.
Write equation for the reaction between hydrochloric acid of the following: Oxide of lead
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
