Chemistry-
General
Easy
Question
The enthalpy change at 298K in successive breaking of O–H bonds of water are H2O→H(g)+OH(g);ΔH=498KJmol–1 OH(g)→H(g)+O(g);ΔH=428KJmol–1 the bond enthalpy of O–H bond is-
- 498KJmol–1
- Y Kcal.mol
Kcal.mol
- X1Kcal.mol
Kcal.mol
The correct answer is: Kcal.mol
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