A) is negative of \[{{E}_{a}}\]
B) is always less than \[{{E}_{a}}\]
C) can be less than or more than \[{{E}_{a}}\]
D) is always double of \[{{E}_{a}}\]
Correct Answer: C
Solution :
For the reverse reaction, activation energy can be less or more than \[{{E}_{a}}\] for forward reaction. It depends upon nature of reaction. For exothermic reaction, activation energy for forward reaction is lower than activation energy for reverse reaction. For endothermic reaction, activation energy for forward reaction is higher than activation energy for reverse reaction.
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