1. The E2 reaction is useful for a. The preparation of alkyl halides b. The prep

Question

1. The E2 reaction is useful for a. The preparation of alkyl halides b. The preparation of alkenes c. Substitution reactions d. Addition reactions

2. The very bulky (CH3)3O- anion we probably react a. Better as a nucleophile than as a base b. Better as a base than as a nucleophile c. The anion’s size has nothing to do with how it behaves in a reaction d. Actually, the anion would act as an electrophile

3. An E2 reaction will be faster if the a. Alkyl halide is in the anti-periplanar conformation b. Base used is bulky and sterically hindered c. Solvent is polar aprotic d. All of the above

4. The reaction profile for an E2 reaction would best be described as a a. Two step reaction with two transition states b. One step reaction with one transition state c. Two step reaction with one transition state d. This cannot be determined without more information

5. A compound with a molecular formula of C10H18 could possibly contain a. A carbon-carbon triple bond b. Two carbon-carbon double bonds c. A carbon-carbon double bond and a ring d. All are valid possibilities

Explanation / Answer

1. b.the preparation of alkenes

2. b. Better as a base than as a nucleophile

3. c. Solvent is polar aprotic

4. b. One step reaction with one transition state

5. d. All are valid possibilities

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