JEE Main 2021 Chemistry question
For the reaction the reaction enthalpy = ———— kJ [Given : Bond enthalpies in kJ : C–C : 347, C=C : 611; C–H : 414, H–H : 436]
Answer: 128
For the reaction the reaction enthalpy = ———— kJ [Given : Bond enthalpies in kJ : C–C : 347, C=C : 611; C–H : 414, H–H : 436]