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Molecularity and Reaction Type and the RDS

APCHEM-MJGPNZ

Which of the following types of reaction is LEAST likely to be the rate-determining step of a reaction mechanism?

A

$A\longrightarrow B+C$

B

$A+B\longrightarrow C$

C

$AB+C\longrightarrow AC+B$

D

$A+{ O }_{ 2 }\longrightarrow { AO }_{ 2 }\quad $

E

$AB+CD\longrightarrow AD+CB$