1.

Consider the following E^(@) values E_(Fe)^(@).^(3+)._(//Fe^(2+))=+0.77V,E_(Sn^(2+)._(Sn))^(@)=-0.14V Under standard conditions, the potential for the reaction Sn(s)+2Fe^(3+)(aq)rarr2Fe^(2+)(aq)+Sn^(2+)(aq) is

Answer»

`1.68V`
`0.63V`
`0.91V`
`1.40V`

SOLUTION :`E_("cell")^(@)=E_(Fe^(3+)//Fe^(3+))-E_(SN^(2+) //Sn)^(@)`
`=0.77-(-0.14)=0.91V`


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