E2 elimination takes place under the same conditions as SN2 substitution and the reactions compete with each other. Which of the following statements is true? a) E2 elimination and SN2 substitution proceed through the same intermediate step b) E2 elimination is only possible for compounds that react with the SN2 mechanism c) In competition, a strong base favors a substitution reaction d) Steric hindrance favors E2 elimination

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