MEDIUMMCQ SINGLENEET ChemistryInorganic ChemistryHydrogenPreparation of Dihydrogen

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

A.Mixing natural hydrocarbons of high molecular

B.Electrolysis of water.✓ Correct

C.Reaction of salt like hydrides with water

D.Reaction of methane with steam.

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.

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