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Consider the following two reactions: ...

Consider the following two reactions:
i. Propene `+H_(2) rarr` Propane, `DeltaH_(1)`
ii. Cyclopropane `+H_(2) rarr` Propane, `DeltaH_(2)` Then, `DeltaH_(2) - DeltaH_(1)` will be:

A

`0`

B

`2BE_(C-C)-BE_(C=C)`

C

`BE_(C=C)`

D

`2BE_(C=C)-BE_(C-C)`

Text Solution

Verified by Experts

`CH_(3) -CH = CH_(2) +H_(2) rarr CH_(3) - CH_(2)-CH_(3)`,
`DeltaH_(1) = (BE_(C=C)+BE_(H-H)) - (2BE_(C-H)+BE_(C-C))`

`DeltaH_(2) = (BE_(C-C)+BE_(H-H)) - (2xx BE_(C-H))`
`DeltaH_(2) - DeltaH_(1) = 2BE_(C-C)-BE_(C=C)`
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