Chemistry
(a) (i) Name the experiment illustrated below.
(ii) State the colour of the water that has entered the round-bottomed flask.

(b) What property of hydrogen chloride is demonstrated when it is collected by downward delivery (upward displacement)?
Hydrogen Chloride
41 Likes
Answer
(a) (i) Fountain Experiment (ii) Red
(b) Collection of Hydrogen chloride gas by downward delivery indicates that Hydrogen chloride gas is heavier than air. (Hydrogen chloride gas is about one and a quarter times heavier than air.)
Answered By
25 Likes
Related Questions
State your observations:
(a) HCl gas is passed through lead nitrate solution and the mixture is heated.
(b) Hydrochloric acid is added to silver nitrate solution.
(c) Ammonium hydroxide solution is added to the resultant product of part (b).
Distinguish by using HCl.
(a) Lead nitrate solution and silver nitrate solution.
(b) Potassium sulphite and potassium sulphide.
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.
Identify the gas evolved and give the chemical test when dilute hydrochloric acid reacts with :
(i) Sodium sulphite.
(ii) Iron [II] sulphide.