Which of the Following Statements Is Not True

question 24

Multiple Choice

Which of the following statements is not true?

• A) The reaction of a ketone with methanol in the presence of acid to give a acetal proceeds via a resonance stabilized cation
• B) Protonation of a ketone increases its electrophilicity
• C) The conversion of a hemiacetal to an acetal under acidic conditions proceeds via an S_N1 mechanism
• D) The conversion of a hemiacetal to an acetal is catalyzed by both acid and base

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