1.

Which one of the following has a potential more than zero

Answer»

`Pt,(1)/(2)H_(2)(1atm)|HCl(1M)`
`Pt,(1)/(2)H_(2)(1atm)|HCl(2M)`
`Pt,(1)/(2)H_(2)(1atm)|HCl(0.1M)`
`Pt,(1)/(2)H_(2)(1atm)|HCl(0.5M)`

ANSWER :B


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