Chemistry-
General
Easy
Question
The following are the heats of reactions-
i)ΔHOofHO(l)=–68.3Kcalmol–1
ii)ΔHO comb ofC2H4 =–337.2Kcalmol–1
iii) ΔHO comb ofC2H4 =–363.7Kcalmol–1Then heat change for the reaction
C2H2+H2→C2H4is-</span
- –716.1Kcal
- +337.2Kcal
- –41.8Kcal
- –579.5Kcal
The correct answer is: –41.8Kcal
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