What should be the H _ f ^ a of OH ^ - ion, if the standard enthalpy of formation of…
Chemistry · JEE Main · NTA Exams — Chemical Thermodynamics
What should be the \(\Delta \mathrm{H}_{\mathrm{f}}^{a} \text { of } \mathrm{OH}^{-}\) ion, if the standard enthalpy of formation of liquid water is -68.31 kcal and \(\Delta H_{f}^{a}\left(H^{+}\right)=0\)? [Given the standard enthalpy of neutralisation of a strong base is -13.7 kcal equivalent-1.]
- -16.54 kcal
- -54.61 kcal
- 65.41 kcal
- 61.54 kcal
Answer
(B) -54.61 kcal
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