(A) δ-lactam.
(B) cyclohexane carboxylic acid.
(C) γ-butyrolactone.
(D) the anhydride formed from intramolecular ring closure of pentanedioic acid.
5 . Which of the following would be most reactive toward nucleophiles?(A) Propyl ethanoate
(B) Propanoic acid
(C) Propanamide
(D) Propanoic anhydride
6 . How might succinic anhydride, shown below, be formed from succinic acid (butanedioic
acid)?(A) Catalytic acid
(B) Catalytic base
(C) Heat
(D) Oxidation
7 . Which of the following would react most readily with a carboxylic acid to form an amide?(A) Methylamine
(B) Triethylamine
(C) Diphenylamine
(D) Ethylmethylamine
8 . If propanamide were treated with water, what product(s) would be observed?