Which Statement About the Mechanism of Imine Formation from a Primary

question 10

Multiple Choice

Which statement about the mechanism of imine formation from a primary amine and an aldehyde or ketone is false?

• A) The first steps involve addition of the amine to the carbonyl carbon to form a tetrahedral intermediate.
• B) The last steps involve elimination of water to form a carbon-nitrogen p-bond.
• C) All steps are reversible.
• D) The reaction involves S_N2 displacement of the carbonyl oxygen by the amine nitrogen.
• E) The reaction does not require a strong acid catalyst.

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