Which of the following compounds is y-butyrolactone? A) I B) II C) III D) IV E)

Question

Which of the following compounds is y-butyrolactone? A) I B) II C) III D) IV E) V 21. Give the name of the structure. A) amino propanoate B) ammonium butanoate C) amino butanoate D) ammonium propanoate E) propyl amine 22. In which of the following compounds does the carbonyl stretch in the IR spectrum, occur at the lowest wavenumber? (This is really asking which of these compounds has the most stable carbon-containing functional group.) A) cyclohexanone B) ethyl acetate C) propanoyl chloride D) pentanamide E) lambda-butyrolactone

Explanation / Answer

20) C)III

21) B

22) D

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