How Hydorgen is obtained from different types of electroylsis?

Dear student,
  • Electrolysis is the method of separating elements by passing electric current.
  • Hydrogen is obtained by using water.This reaction takes place in a unit cell.
  • Water reacts at the anode to form oxygen and positively charged hydrogen ion.
2H2OO2+4H++4e-
  • Then the electrons flow from an external circuit and hydrogen ion moves across to cathode.
  • At cathode, hydrogen ions combine with electron from the external circuit to form H2 gas.
​​4H++4e-2H2

Regards

 

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