(d) Concentrated sulphuric acid.
Reason — Drying agent used for drying should only remove the moisture and not react with it, hence, conc. sulphuric acid is used as the drying agent.
Question
Hydrogen chloride gas being highly soluble in water is dried by : (a) Anhydrous calcium chloride (b) Phosphorous pentaoxide (c) Quick lime (d) Conc. sulphuric acid.
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đź’ˇ Some Related Questions
The following questions pertain to the laboratory preparation of hydrogen chloride gas: (i) Write the equation for it’s preparation mentioning the condition required. (ii) Name the drying agent used in the above preparation and give a reason for the choice. (iii) State a safety precaution taken during the preparation of hydrochloric acid.
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(i) Identify the gas Y. (ii) What property of gas Y does this experiment demonstrate? (iii) Name another gas which has the same property and can be demonstrated through this experiment.