Advertisements
Advertisements
Question
Study the figure given below and answer that questions that follow:
(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.
Advertisements
Solution
(i) The gas is HCl (hydrogen chloride) gas.
(ii) Extreme solubility of hydrogen chloride gas is demonstrated by the fountain experiment.
(iii) Ammonia gas is another gas which has the same property which can be demonstrated through this experiment.
APPEARS IN
RELATED QUESTIONS
When dilute HCl is added to a salt Q, a brisk effervescence is produced and the gas turns lime water milky.
When NH4OH solution is added to the above mixture (after adding dilute HCl), it produces a white precipitate which is soluble in excess NH4OH solution.
The aim of the Fountain experiment is to prove that ______.
Name the following:
Gas obtained by treating metals with hydrochloric acid.
Name :
Two colourless gases which when mixed produce a white solid.
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.
The aim of the fountain experiment is to prove that
What property of hydrogen chloride is demonstrated when it is collected by downward delivery (Upward displacement)?
