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why is hydrogen the product of electrolysis of sodium chloride watch

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    (Original post by Banananana)
    why is hydrogen the product of electrolysis of sodium chloride
    because at the cathode there is competition between the Na+ ions and the H+ ions and the H+ ions have a more positive electrode potential so they are preferentially released (ie pick up electrons)


    2H+ + 2e --> H2(g)
 
 
 
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Updated: January 26, 2010
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