Question

multiple answer 2 points which of the following statements correctly describe(s) e1 reactions of alkyl halides (rx)? rate = krx reactions occur in more than one step. rate = kbase rate = kbaserx previous

Explanation:

• For E1 reactions of alkyl halides, the rate - determining step is the ionization of the alkyl halide (RX). So the rate law is Rate = k[RX] (first - order with respect to the alkyl halide).
• E1 reactions have a two - step mechanism. The first step is the ionization of the alkyl halide to form a carbocation (slow, rate - determining step), and the second step is the deprotonation of the carbocation by a base (fast). So E1 reactions occur in more than one step.
• The rate of E1 reactions does not depend on the concentration of the base because the base is not involved in the rate - determining step. So Rate = k[base] and Rate = k[base][RX] are incorrect for E1 reactions.

Answer:

• Rate = k[RX]
• reactions occur in more than one step.