Why is HCl gas passed through H 2 SO 4 during the laboratory preparation of hydrochloric acid-A- H 2 SO 4 acts as a dehydrating agentB- H 2 SO 4 coverts hydrogen chloride to hydrochloric acidC- H 2 SO 4 helps to speed up the reactionD- H 2 SO 4 coverts hydrochloric acid to hydrogen chloride gas

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Bleaching Action of Chlorine

Why is HCl ga...

Question

Why is $H C l$ gas passed through $H_{2} S O_{4}$ during the laboratory preparation of hydrochloric acid?

H_{2} S O_{4}

acts as a dehydrating agent

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H_{2} S O_{4}

coverts hydrogen chloride to hydrochloric acid

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H_{2} S O_{4}

helps to speed up the reaction

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H_{2} S O_{4}

coverts hydrochloric acid to hydrogen chloride gas

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Solution

The correct option is A $H_{2} S O_{4}$ acts as a dehydrating agent

The hydrogen chloride gas is passed through sulphuric acid to remove the moisture present in the gas. Thus, sulphuric acid acts as a dehydrating agent.

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Similar questions

Dilute acids like hydrochloric acid (HCl), sulphuric acid $H_{2} S O_{4}$ react with certain active metals to evolve hydrogen gas and form their metallic salts.

Dilute acids such as hydrochloric acid (HCl) and sulphuric acid $H_{2} S O_{4}$ react with certain active metals to evolve hydrogen gas and form their respective metallic salts.

Q. For the preparation of hydrochloric acid in the laboratory.
(i) Why is the direct absorption of hydrogen chloride gas in water is not feasible?
(ii) What arrangement is done to dissolve hydrogen chloride gas in water?

Q. Hydrochloric acid is prepared in the laboratory by passing hydrogen chloride directly through water.

How will you prepare hydrochloric acid in laboratory?

Describe briefly the method employed to dissolve hydrogen chloride gas in water as it is prepared. What is the purpose of funnel while preparing hydrochloric acid from HCl gas?

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Why is HCl gas passed through H2SO4 during the laboratory preparation of hydrochloric acid?

The correct option is A H2SO4 acts as a dehydrating agent The hydrogen chloride gas is passed through sulphuric acid to remove the moisture present in the gas. Thus, sulphuric acid acts as a dehydrating agent.

Why is $H C l$ gas passed through $H_{2} S O_{4}$ during the laboratory preparation of hydrochloric acid?

The correct option is A $H_{2} S O_{4}$ acts as a dehydrating agent

The hydrogen chloride gas is passed through sulphuric acid to remove the moisture present in the gas. Thus, sulphuric acid acts as a dehydrating agent.