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The enthalpy of combustion of H(2(g)) to...

The enthalpy of combustion of `H_(2(g))` to give `H_(2)O_((g))` is `-249 kJ mol^(-1)` and bond enthalpies of `H-H` and `O=O` are `433 mol^(-1)` and `492 kJ mol^(-1)` respectively. The bond enthalpy of `O-H` is

A

`464KJmol^(-1)`

B

`-464KJmol^(-1)`

C

`232KJmol^(-1)`

D

`-232KJmol^(-1)`

Text Solution

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The correct Answer is:
A

`DeltaH=H_(R)-H_(P)`
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