Identify which of the following statements about the SN2 mechanism is correct.
a. Hydrolysis of an optically pure single enantiomer will produce a racemic mixture of two optically active products.
b. The rate of hydrolysis of 1-chloropropane is faster than the hydrolysis of 1-bromopropane.
c. The reaction occurs in a single step.
d. The halogenoalkane acts as the nucleophile.