Question

write the two method of prepar ation of dihydrogen?​

Answer 1

Answer:

One common way to prepare dihydrogen gas in the lab is by reacting Zinc with a diluted acid. It results in Zinc forming Zinc Sulphate (or zinc chloride) and releasing hydrogen in a gas form

Zn + H2SO4 → ZnSO4 + H2

Zn +HCl → ZnCl2 + H2

Reacting Zinc with Alkaline

Answer 2

☞Answer☜

Laboratory method of preparation of dihydrogen

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

• Use of Granulated Zinc.
• Reaction:
• Collection of Gas: Hydrogen gas is collected by downward displacement of water.