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Eamcet Chemistry
1 st Year : Unit 6.2 (Thermo Dynamics ) - Thermodynamics-2

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The enthalpy of combustion of H₂(g) to give H₂O(g) is -249KJ mol^-1 and bond enthalpies of H-H and O=O are 433KJ mol^-1 and 492KJ mol^-1 respectively, The bond enthalpy of O-H is

A. 464KJ mol^-1

B. - 464KJ mol^-1

C. 232KJ mol^-1

D. - 232KJ mol^-1

E. None of the above

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Correct choice: A

Explanation:

None

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Eamcet Chemistry 1 st Year : Unit 6.2 (Thermo Dynamics ) - Thermodynamics-2

Eamcet Chemistry
1 st Year : Unit 6.2 (Thermo Dynamics ) - Thermodynamics-2