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On the basis of the following thermochemical data : `(Delta H_(f)^(0)H_((aq))^(+)=0)` `H_(2)O(l)rarr H^(+)(aq) , Delta H = 57.32 kJ` `H_(2)(g)+(1)/(2)O_(2)(g)rarr H_(2)O(l) , Delta H = -286.20 kJ` 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 | |