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प्रश्न
State the following:
The drying agent used in the laboratory preparation of HCl gas.
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उत्तर
The drying agent used in the laboratory preparation of HCl gas is concentrated sulphuric acid. As sulphuric acid is non-volatile in nature therefore it helps in removing the moisture and hence act as a drying agent.
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संबंधित प्रश्न
Study the figure given below and answer the questions which follow:
- Identify the gas Y.
- What property of gas Y does this experiment demonstrate?
- Name another gas which has the same property and can be demonstrated through this experiment.
Name the following:
Gas obtained by treating metals with hydrochloric acid.
Name the drying agent used to dry HCl gas.
Describe an experiment to prove the following:
HCI gas is heavier than air.
Hydrogen chloride gas is very soluble in water. It is dissolved in water to prepare hydrochloric acid by using an anti-suction device, as shown in the diagram. Very briefly explain how this device prevents the suction of water into the flask, in which hydrogen chloride gas is produced.
Give reason for the following:
Dilute hydrochloric acid cannot be concentrated by distilling (boiling) the dilute acid.
Dilute hydrochloric acid is added in turn to a mixture of iron and sulphur and to the compound formed between iron and sulphur. Name the gas formed in each case.
The diagram shows an apparatus for the laboratory preparation of hydrogen chloride.
(i) Identify A and B
(ii) Write the equation for the reaction
(iii) How would you check whether or not the gas jar is filled with hydrogen chloride?
(iv) What does the method of collection tell you about the density of hydrogen chloride.
- Name the experiment illustrated below.
- State the colour of the water that has entered the round-bottomed flask.
What property of hydrogen chloride is demonstrated when it is collected by downward delivery (Upward displacement)?
