1.

The chlorate ion can disproportinate in basic accordin to reaction 2ClO_(3)^(-)hArr ClO_(2)^(-)+ClO_(4)^(-) calculate the value of equilibrium constant. Given E_(clO_(4)^(-)//ClO_(3)^(-))^(O)=0.36v and E_(ClO_(3)^(-)//ClO_(2)^(-))^(O)=0.33V at298K

Answer»

`0.1`
`0.2`
`0.3`
`0.4`

SOLUTION :`E_("CELL")^(O)=E_(ClO_(3)^(-)//Clo_(3)^(-))^(O)+E_(ClO_(3)^(-)//ClO_(4)^('))^(O)`
`=0.33-0.36=-0.03V`
`E_("cell")^(O)=0.06/n log K`
`=-0.03=0.06/2log K`
`K=10^(-1)=0.1M`


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