PracticeCh21Ques - Chapter 21 Carboxylic Acid Derivatives 1...

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1 Chapter 21 Carboxylic Acid Derivatives 1) N -Methylacetamide is an example of: A) a primary amide B) a secondary amide C) a tertiary amide D) an N, N -disubstituted amide E) an imine 2) Cyclic amides are called: 3) Amides are less basic than amines because: 4) Cyclic esters are called: 6) Which of the following structures are carboxylic acid derivatives? A) 3 B) 1 & 3 C) 1, 2 & 3 D) 4 E) All are carboxylic acid derivatives 9) Provide the structure of cyclohexyl formate. 10) Provide the structure of γ -butyrolactam. Answer:
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2 Diff: 2 Section: 21.2 11) Provide the structure of ( R )-4-ethoxypentanenitrile. 12) Provide the structure of o -bromobenzoyl chloride. 13) Provide the structure of trifluoroacetic anhydride. Answer: (CF 3 CO) 2 O Diff: 2 Section: 21.2 14) Provide the IUPAC name of the following compound. 15) Provide the IUPAC name of the following compound. 16) Provide the name of the compound shown below. 17) Provide the name of the compound shown below.
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3 18) Provide the proper IUPAC name for the compound below. 19) Provide the structure of propanoic anhydride. 20) Provide the proper IUPAC name for the compound below. 21) Provide the proper IUPAC name for ClCH 2 CH 2 CONHCH 3 . 22) Provide the proper IUPAC name for the compound below. 23) Provide the proper IUPAC name for NCCH 2 CH 2 CH 2 CH 2 CO 2 CH 3 . 24) Provide the structure of N,N -diethylbutanamide. 25) Provide the structure of 3-oxobutanenitrile. 26) Provide the structure of 2-bromo-2-methylbutanoyl chloride. 27) Provide the IUPAC name for HCONHCH 2 CH 2 CH 3 . 28) Which of the following are strongly hydrogen bonded in the liquid phase? 32) While the carbonyl stretching frequency for simple aldeydes, ketones, and carboxylic acids is about 1710 cm -1 , the carbonyl stretching frequency for esters is about:
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4 33) While the carbonyl stretching frequency for simple aldehydes, ketones, and carboxylic acids is about 1710 cm -1 , the carbonyl stretching frequency for acid chlorides is about:
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