Very pure hydrogen (99.9%) can be made by which of the following processes? — Hydrogen Chemistry Question

💡 Solution & Explanation

Dihydrogen of high purity is usually prepared by the electrolysis of water using platinum electrodes in presence of small amount of acid or alkali. 2 l 2 g 2 g electrolysis 2H O 2H O -> Dihydrogen is collected at cathode.