1.

\[\Delta H_{f}^{0}\] of water is\[-285.8\text{ }kJ\text{ }mo{{l}^{-1}}\]. If enthalpy of neutralisation of monoacidic strong base is \[-57.3\text{ }kJmo{{l}^{-1}}\]. \[\Delta H_{f}^{0}\] of \[O{{H}^{-}}\] ion will be

A. \[-114.25\text{ }kJ\,mo{{l}^{-1}}\]
B. \[114.25\text{ }kJ\text{ }mo{{l}^{-1}}\]
C. \[228.5\text{ }kJ\,mo{{l}^{-1}}\]
D. \[-228.5\text{ }kJ\text{ }mo{{l}^{-1}}\]
Answer» E.


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