On the basis of the following thermochemical data `:` `(Delta_(f)G^(@)H_((aq.))^(+)=0)` `H_(2)O_((l))rarr H_((aq.))^(+)+OH_((aq.))^(-),DeltaH=57.32kJ` `H_(2(g))+(1)/(2)O_(2(g))rarrH_(2)O_((l)),DeltaH=-286.20kJ` The value of enthalpy of formation of `OH^(-)` ion at `25^(@)C` is `:`A. `-22.88 kJ`B. `-228.88 kJ`C. `+228.88 kJ`D. `-343.52 kJ`

On the basis of the following thermochemical data `:` `(Delta_(f)G^(@)

1.	On the basis of the following thermochemical data `:` `(Delta_(f)G^(@)H_((aq.))^(+)=0)` `H_(2)O_((l))rarr H_((aq.))^(+)+OH_((aq.))^(-),DeltaH=57.32kJ` `H_(2(g))+(1)/(2)O_(2(g))rarrH_(2)O_((l)),DeltaH=-286.20kJ` The value of enthalpy of formation of `OH^(-)` ion at `25^(@)C` is `:`A. `-22.88 kJ`B. `-228.88 kJ`C. `+228.88 kJ`D. `-343.52 kJ`
Answer» Correct Answer - B `H_(2)+1/2 O_(2) rarr H^(+)+OH^(-) Delta H=-228.88 kJ`

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