1.

Calculate enthalpy of ionisation of OH^(-) ion. Given: H_(2)O_((l)) to H_((aq))^(+) + OH_((aq))^(-) , DeltaH^(@) = -285.83 KJ

Answer»

SOLUTION :On adding given equations,
`H _(2 (g)) + l//2 O _(2 (g)) to H _((aq )) ^(+) + OH _((aq)) ^(-) Delta H ^(0) =228.51KJ.`
But for `H _((aq)) ^(+) , Delta H ^(0)0.`
Therefore heat of IONISATION of `OH-is-228.51 KJ.`


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