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Question

The given set up in the figure is for the preparation of an acid.
(a) Name the acid prepared by this method. 
(b) Name the reactants used. 
(c) Why is an empty flask used? 
(d) What is the drying agent used? Why is this drying agent chosen? 
(e) What is the role of the inverted funnel in the arrangement?


Solution

(a) Hydrochloric Acid
(b) The reactants are sodium chloride and Sulphuric acid.
(c) The empty flask acts as Anti-Suction device. In case the back suction occurs the water will collect in it and will not reach the generating flask.
(d) The drying agent is Conc. Sulphuric acid. Sulphuric acid is chosen as drying agent because it does not react with HCl.
(e) The Inverted funnel: Prevents or minimizes back suction of water. Provides a large surface area for absorption of HCl gas.
 


Chemistry
Concise Chemistry
Standard X

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