explain preparation of hydrogen using electrolysis
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Electrolysis is a promising option for hydrogen production from renewable resources. Electrolysis is the process of using electricity to split water into hydrogen and oxygen. This reaction takes place in a unit called an electrolyzer.
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High purity of hydrogen (>99.9%) is obtained by the electrolysis of water containing traces of acid or alkali or electrolysis of aqueous solution of sodium hydroxide or potassium hydroxide using a nickel anode and iron cathode. This process is not economical for large scale production. At anode : 2OH- → H2O + 1212O2 + 2e- At cathode : 2H2O + 2e- → 2OH- + H2 Overall reaction : H2O → H2 + 14 O2Read more on Sarthaks.com - https://www.sarthaks.com/922583/explain-preparation-of-hydrogen-using-electrolysis
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