If the Rate Law for an Elementary Reaction Is Second

Multiple Choice

If the rate law for an elementary reaction is second order, we can conclude that

A) no catalysts are involved in the reaction.
B) no intermediates are formed in the reaction.
C) additional experiments at different temperatures are needed to determine the molecularity of the reaction.
D) the elementary reaction involves a collision between two molecules.
E) the elementary reaction is unimolecular.