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Relative Rate and the Rate Determining Step of a Reaction

APCHEM-1GYJUQ

In a reaction mechanism consisting of elementary reaction steps where the relative rate of each is given, which of the following is MOST likely to be the rate-determining step?

A

A step labeled fast.

B

A step labeled moderate.

C

A step labeled slow.

D

It is not possible to tell which step is rate-determining from this information.