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प्रश्न
Give two tests for hydrochloric acid.
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उत्तर
Two tests for hydrochloric acid are -
(i) When silver nitrate solution is added to hydrochloric acid, it gives white precipitate of silver chloride.
(ii) When lead nitrate solution is added to it, it gives white precipitate of lead chloride.
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संबंधित प्रश्न
Write three equations to show that hydrochloric acid acts as an acid.
Fill in the blank:
___________ agent converts hydrochloric acid to chlorine.
Fill in the blank:
The white precipitate of lead chloride is soluble in _________
Name the gas evolved when an oxide and concentrated hydrochloric acid are heated.
Write equation for the reaction between hydrochloric acid of the following: Oxide of lead
Write balanced equation for the following reaction:
Red lead (trilead tetroxide) is warmed with concentrated hydrochloric acid.
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.
Name the anion present in the following compound:
The action of heat on the insoluble compound C produces a gas which turns lime water turbid.
