Question
From the reactions: C(s)+2H2(g)→CH4(g)DH=–XK cal C(g)+4H(g)→CH4(g),DH=–X1Kcal CH4(g)→CH3(g)+H(g)DH=+Y(Kcal) Bond energy of C–H bond is-
Kcal.mol
- YKcal.mol
Kcal.mol
- X1Kcal.mol
Kcal.mol
Kcal.mol
The correct answer is: Kcal.mol
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