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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
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.
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: Manganese dioxide
What wilI you observed when concentrated HCI is added to lead (IV) oxide and warmed ?
Write balanced equation for the following reaction:
Red lead (trilead tetroxide) is warmed with concentrated hydrochloric acid.
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:
Which gas is evolved when potassium sulphite with dilute hydrochloric acid.
State one appropriate observation of the following:
Concentrated HCl is made to react with mangesediaoxide
