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The enthaply of atomisation for the reac...

The enthaply of atomisation for the reaction : `CH_(4)(g) to C(g) + 4 H(g)` is `1665 kJ "mol"^(-1)`.What is the bond enthalpy of C-H bond?

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Enthalpy of atomisation of `CH_(4)` is for dissociation of 4 moles ofC-H bonds.
`:. ` C-Hbond energy per mole `= ( 1165)/( 4) kJ mol^(-1)= 416.2 kJ mol^(-1)`
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