1.

Consider the reaction , PbO_2 to PbO , DeltaG_(298) lt 0 l SnO_2 to SnO , DeltaG_(298) gt 0 the most probable oxidation state of Pb and Sn will be

Answer»

`PH^(+4) , SN^(+2) `
`Pb^(+4) , Sn^(+4)`
`Pb^(+2), Sn^(+3) `
`Pb^(+2) , Sn^(+4)`

Solution :`PbO_2 to PbO , SnO_2 to SnO`
` UNDERSET(Pb^(+2))(DeltaG_(298) LT 0)"" underset(Sn^(+4))(DeltaG_(298) gt 0`


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