Which of the Alkyne Addition Reactions Below Involve(s) an Enol

question 82

Multiple Choice

Which of the alkyne addition reactions below involve(s) an enol intermediate?

• A) hydroboration/oxidation
• B) treatment with HgSO₄ in dilute H₂SO₄
• C) hydrogenation
• D) both A and B
• E) none of the above

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