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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)
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.
What would happen if :
Concentrated hydrochloric acid is kept open.
Fill in the blank:
A constant boiling mixture of water and hydrochloric acid is also called as _______________.
Fill in the blank:
The white precipitate of lead chloride is soluble in _________
Outline the steps required to convert hydrogen chloride to anhydrous FeCl3. Write equations for the equations involved.
Write equation for the reaction between hydrochloric acid of the following: Oxide of lead
State one reason why tap water is not used to prepare a solution of silver nitrate in the laboratory.
Why is hydrogen chloride not collected over water?
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
