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प्रश्न
Describe an experiment to prove the following:
HCI gas is heavier than air.
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उत्तर
Two gas jars A and B are taken. A is filled with air and B with dry HCI gas. B is inverted over A, kept for few minutes and then jar is removed. Now a rod dipped in ammonium hydroxide is introduced into the jar A, white fumes are seen. This shows that HCI displaces the air since it is heavier than air.
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संबंधित प्रश्न
Name the drying agent used to dry HCl gas.
How is the gas collected and why?
Choose the correct answer from the options given below: HCl gas can be prepared by direct combination of hydrogen and chlorine gas in presence of
Give reason for the following:
Dilute hydrochloric acid cannot be concentrated by distilling (boiling) the dilute acid.
Hydrogen chloride dissolves in water to form an acidic solution.
Name the experiment which demonstrates that hydrogen chloride is very soluble in water.
(a) Name the experiment illustrate above.
(b) Which property of hydrogen chloride is demonstrated by this experiment?
(c) State the colour of the water that has entered the round-bottomed flask.
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.
State the following:
The drying agent used in the laboratory preparation of HCl gas.
Identify the terms for the following:
A method used to collect HCl gas.
