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प्रश्न
Write three equations to show that hydrochloric acid acts as an acid.
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उत्तर
In the following reaction, hydrochloric acid acts as an acid.
Zn + 2HCI → ZnCl2 +H2
CuO + 2HCI → CuCl2 +H2O
FeS + 2HCI → FeCl2 +H2S
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संबंधित प्रश्न
Explain, why (or give reasons for)
Hydrochloric acid cannot be concentrated above 22.2% by boiling.
Give two tests for hydrochloric acid.
Fill in the blank:
Aqua-regia is a mixture of ___________ .
Fill in the blank:
Hydrogen and chlorine reacts in presence of ___________ to form hydrogen chloride.
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
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
State one appropriate observation of the following:
Copper sulphate is treated with dilute hydrochloric acid.
