Which of the Following Statements Is TRUE

question 18

Multiple Choice

Which of the following statements is TRUE?

• A) Elimination reactions proceed via either an E1 mechanism, which is a one-step mechanism, or an E2 mechanism, which is a two-step mechanism.
• B) The E1 mechanism is somewhat similar to the S_N1 mechanism: they both start with a dissociation step in which a carbocation is formed.
• C) Primary alcohols and alkylhalides are very likely to react via an E1 mechanism because they produce stable carbocations.
• D) The strength of base used in elimination reactions is not important for the E2 mechanism because the base contributes only to the second step of the E2 mechanism.
• E) E2 elimination reactions can occur at primary carbon centres but not at secondary and tertiary carbon atoms.

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