Vollhardt,Chapter18

Vollhardt,Chapter18 - Chapter 18 1 What best describes an...

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Chapter 18: 1. What best describes an enolate? a. An anion resulting from base removal of a hydrogen alpha to a carbonyl. b. An ion resulting from base or acid removal of a hydrogen alpha to a carbonyl. c. An ion resulting from base removal of a hydrogen alpha to a carbonyl. d. An anion resulting from base removal of a hydrogen on a carbonyl. Answer: A 2. To what does the term “tautomerization” refer? a. The interconversion between a ketone and an alkene. b. The interconversion between an alcohol and an alkene. c. The conversion of a ketone between its enol and alcohol form. d. The conversion of an enol between its alcohol and keto form. Answer: D 3. What does the acid catalysed halogenation of a ketone produce? a. A polyhalogenated ketone, with all halogens alpha to the carbonyl. b. A halogenated ketone alpha to the carbonyl. c. An alkyl halide. d. Multiple halogenations, usually symmetrically, on both positions alpha to the carbonyl. Answer:
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Vollhardt,Chapter18 - Chapter 18 1 What best describes an...

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