Assuming no other changes, what effect of the rate would simultaneously doubling the concentrations of both n-butyl bromide and CN ions have:? A. no effect b. it would double the rate c. it would triple the rate d. it would increase the rate four times. E. it would increase the rate six times. 2. Which alkyl halide would be most reactive in an SN2 reaction? 3. Which alkyl halide would be most reactive in an SN1 reaction? 4. Which of the following alkyl halides would you expect to give the highest yield of substitution products under conditions for a bimolecular reaction? CH3 a. C6H5CH2CH2CH2Br d. C6H5 C CH2Br b. C6H5CHCH2Br CH3 CH3 CH3 e. C6H5 C CH3 c. C6H5CH2CHCH3 Br Br 5. Which of the following statements is(are) true of SN1 reactions of alkyl halides in general? A. b. c. d. e. The rate depends on the concentration of the alkyl halide The rate depends on the concentration of the nucleophile.