ICSE Class 10 Answered
I. In the laboratory preparation of hydrochloric acid, HCl gas is dissolved in water.
(i) Draw a diagram to show the arrangement used for the absorption of HCl in water.
(ii) Why is such an arrangement necessary? Give two reasons.
(iii) Write the chemical equations for the laboratory preparation of HCl gas when the reactants are:
(A) below 200 oC
(B) above 200 oC
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
(I)(i) 
(ii)
(a) To prevent back suction of water into the apparatus.
(b) Provides a larger surface area for dissolution of hydrogen chloride gas.
(iii)
Answered by | 04 Jun, 2014, 03:23: PM
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