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Thermal cracking of natural gas

Preparation of Hydrogen

Last Updated on May 26, 2020 By Mrs Shilpi Nagpal 10 Comments

Commercial preparation of dihydrogen by electrolysis of water

Preparation of Dihydrogen (1) From water Dihydrogen may be obtained from water by reduction either with active metals or by electricity. (a) By the action of water on Active Metals (1) Cold Water : Very active metals i.e. alkali and certain alkaline earth metals like Na, K , Ca react with water at room temperature evolving dihydrogen. 2Na + 2H2O -----------> 2NaOH + … [Read more...] about Preparation of Hydrogen

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