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Question

The standard hydrogen electrode has zero electrode potential because:


A
hydrogen is easiest to oxidize
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B
this electrode potential is assumed to be zero
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C
hydrogen atom has only one electron
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D
hydrogen is lightest element
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Solution

The correct option is A this electrode potential is assumed to be zero

The standard hydrogen electrode is taken as reference. and its potential is assumed to zero to set up the values of all other electrode potential relative to standard hydrogen electrode.


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