Practice Problems. Last updated: Jun 5, Save as PDF · Tables and Flowcharts · Summary: Determining SN2, SN¬1, E2 or E1 · picture_as_pdf. Apr 1, - SN1 SN2 E1 E2 practice problems with solutions. Test your knowledge of substitution elimination reactions with this free organic chemistry. explanation. 7) Which of the following statements apply to E1 reactions of alkyl halides? A) ether, SN1 B) ether, SN2 C) ether, E1 D) alkene, E2 E) alkene, E1 31) Similar to the previous problem, but this time Hoffman's product is desired.Having bought a subscription, you can download this or other directories on our website. To download the file, click on the button below.