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प्रश्न
State your observation when :
Dilute hydrochloric acid is added to copper carbonate.
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उत्तर
When dilute hydrochloric acid is added to copper carbonate, it decomposes to give copper chloride.
CuCO3 + 2HCl → CuCl2 + H2O + CO2↑
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संबंधित प्रश्न
Explain, why (or give reasons for)
Hydrochloric acid cannot be concentrated above 22.2% by boiling.
Write three equations to show that hydrochloric acid acts as an acid.
How can you prove that hydrochloric acid contain :
Hydrogen
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.
Fill in the blank:
The white precipitate of lead chloride is soluble in _________
Write equation for the reaction between hydrochloric acid of the following: Manganese dioxide
Correct the following statement:
Hydrochloric acid is prepared in the laboratory by passing hydrogen chloride directly through 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.
