Activation energy of the reaction AtoB+3...

Activation energy of the reaction `AtoB+38KCal` is 20KCal. Then activation energy of reaction `BtoA` bill be :-

A

20 KCal

B

`-20 KCal`

C

18 KCal

D

58KCal

Text Solution

Verified by Experts

The correct Answer is:

D

`DeltaH=(Ea)f-(Ea)b`
`-38=20-Ea_(f)`

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