1.

Two unimolecular reactions, I and II have the same rate constant at 25^(@) C but E_(a) for reaction I is larger than E_(a)for reaction II . Which statement about these two reaction is correct?

Answer»

`k_("REACTION I")` is the same as `k_("reaction II")` at all temperatures.
`k_("reaction I")` is LARGER than `k_("reaction II")` at lower temperatures but smaller at higher temperatures.
`k_("reaction I")` is smaller than `k_("reaction II")` at lower temperatures but larger at higher temperatures.
`k_("reaction I")` is larger than `k_("reaction II")` at temperatures both lower and higher than `25^(@)` C.

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