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InterviewSolution
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`AB,A_(2)` and `B_(2)` are diatomic molecules. If the bond enthalpies of `A_(2), AB` and `B_(2)` are in the ratio `1:1:0.5` and the enthalpy of formation of `AB` from `A_(2)` and `B_(2)` is `-100kJ mol^(-1)` , what is the bond enthalpy of `A_(2)` ?A. `200 kJ mol^(-1)`B. `100 kJ mol^(-1)`C. `300 kJ mol^(-1)`D. `400 kJ mol^(-1)` |
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Answer» Correct Answer - D `DeltaH=H_(R)-H_(P)` |
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