Question

by Name the electro-uga
hydrogen is liberated
In the laboratory preparation of hydrogen from zinc & dilute hydrochloric acid - state a reason for
a) Addition of traces of copper (II) sulphate to the reaction medium b] Collecting the
hydrogen by downward displacement of water and not air & collecting it after all the air in
the apparatus is allowed to escape. c. Having the end of the thistle funnel dip below the
level of the acid in the flask.
5. In the industrial method of preparation of hydrogen by the Bosch process – give a] Balanced
yn main steps in the production of hydrogen b] The reason for use
of the solution which​

Answer 1

Answer:

Hydrogen gas is prepared in the laboratory by reacting dilute HCl with granulated zinc. Following reaction takes place: Zn+2HCl→ZnCl2+H2.