The rate of E2 reaction between an alkyl halide RX and a base B is given by the following expression (k is a rate constant):

Question

Quizplus · Accepted Answer

The rate of E2 reaction depends on the concentration of both the alkyl halide and the base. Therefore, the expression for the rate should include both [RX] and [B]. Option A only includes [RX] and option B only includes [B], so they are not the best choices. Option D includes [RX]^2, which does not reflect the experimentally observed behavior. Option E includes both [RX]^2 and [B], which is not necessary. Therefore, the best choice is option C, which includes both [RX] and [B].

The Rate of E2 Reaction Between an Alkyl Halide RX