Practice Paper - Hydrogen Chloride

HYDROGEN CHLORIDE

The diagram demonstrates the laboratory preparation of HCl gas.

a)      i) Name the solid reactant Y taken in the round bottom flask.

ii) Name the liquid reactant added to Y using thistle funnel.

iii) State the method used to collect HCl  gas prepared in the above process. And give reason for the same.

iv) Give the identification test for  HCl gas.

b)      Give reason:

i) The temperature should be maintained below 200⁰C in the preparation of HCl in the above process.

ii) CaO (quick lime) is not used as a drying agent in the above process.

c)      Write balanced equations :

i)                    Laboratory preparation of HCl gas.

ii)                  Reversible thermal decomposition of HCl gas.

iii)                Reaction between HCl gas and Iron.