1.

Given Fe^(3+)(aq)+e ^(-)toFe ^(2+)(aq), E ^(@) =+0.77V Al ^(3+) (aq)+ 3e ^(-)to Al(s),E^(@)=-1.66V Br_(2) (aq)+ 2e^(-) to 2Br,E^(@)=+ 1.09V Considering the electrode potentials, which of the following represents the correct order of reducing power?

Answer»

`FE ^(2+)LT Al lt Br^(-)`
`Br ^(-) lt Fe ^(2+) lt Al`
`Al lt Br lt Fe ^(2+)`
`Al lt Fe ^(2+) lt Br `

Solution :Reducing character DECREASE down the sereies. Hence the correct order is
`Al lt Fe^(2+) lt Br ^(-)`


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