Chapter 21 - Chapter 21 Ester Enolates Student: _ 1. Rank...

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Chapter 21 Ester Enolates Student: ___________________________________________________________________________ 1. Rank the following compounds in order of decreasing acidity. A. II > III > I B. III > I > II C. III > II > I D. I > III > II 2. Which one of the following esters cannot form an enolate ion? A. phenyl acetate B. tert -butyl acetate C. ethyl 2-methylbutanoate D. ethyl benzoate
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3. Which of the following is the conjugate base of ethyl butanoate? A. A B. B C. C D. D 4. Rank the compounds below in order of decreasing basicity. A. II > III > I B. II > I > III C. III > I > II D. I > III > II
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Which of the following works best as a base to quantitatively convert ethyl acetate, CH 3 CO 2 CH 2 CH 3 , to its enolate? A. NaOH B. KOC(CH 3 ) 3 C. CH 3 Li D. [(CH 3 ) 2 CH] 2 NLi 6. Which of the following is the Claisen condensation product of ethyl propanoate, CH 3 CH 2 CO 2 Et? A. A B. B C. C D. D 7. Which one of the following would not give an appreciable yield of Claisen condensation product? A.
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Chapter 21 - Chapter 21 Ester Enolates Student: _ 1. Rank...

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