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Preparation of Hydrogen

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Answered by Anonymous
5
Preparation of Hydrogen 

Hydrogen gas is prepared in the laboratory by the action of dilute hydrochloric acid or dilute sulphuric acid on granulated zinc.

Zn + 2HCL → ZnCL₂ + H₂↑
Zn + H2SO₄ → ZnSO₄ + H₂↑

Granulated zinc is commercial zinc obtained from molten zinc. It contains impurities like copper which have a slight catalytic effect on the reaction and speeds up the reaction.
Answered by prantikskalitap8kpsj
0
Preparation of hydrogen

The preparation of hydrogen can be broadly classified as: Laboratory preparation of hydrogen: When granulated zinc is reacted with a dilute hydrochloric acid, hydrogen is obtained. This is the most common procedure of producing hydrogen.

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