Which of the following is not represented?
A. aromatic amine
B. a pyridine ring C. aliphatic amine
D. secondary amine
E. heterocyclic aromatic amine
C. aliphatic amine
(this multiple choice question has been scrambled)
Which of the following statements is false concerning the Hofmann elimination?
A. It proceeds via an E2 mechanism.
B. It is a b-elimination reaction.
C. It is a stereospecific reaction.
D. It requires a quaternary ammonium salt. E. It preferentially forms the less substituted alkene.
E. It preferentially forms the less substituted alkene.
(this multiple choice question has been scrambled)
Which is the least basic?
D
Which statement explains why ethanol has a higher boiling point than ethanamine?
A. Ethanol has more surface area than ethanamine.
B. Ethanol is more stable than ethanamine. C. Ethanol forms stronger hydrogen bonds than ethanamine.
D. Ethanamine is more polar than ethanol.
E. Ethanol is heavier than ethanamine.
C. Ethanol forms stronger hydrogen bonds than ethanamine.
(this multiple choice question has been scrambled)
Arrange from strongest --> weakest base
C, A, B
Which is true?
A. Both A and B are planar molecules.
B. Both A and B are aliphatic amines. C. B is more basic than A.
D. Both A and B are aromatic.
E. A is more basic than B.
C. B is more basic than A.
(this multiple choice question has been scrambled)
What cannot be made from an arenediazonium salt?
A. Be-OH B. Be-Be
C. Be-CN
D. Be-H
E. Be-F
B. Be-Be
(this multiple choice question has been scrambled)
Which is true?
A. Only one molecule is an amine.
B. Both are aromatic.
C. A is more basic than B. D. B is more polar than A.
E. All of these statements are true
D. B is more polar than A.
(this multiple choice question has been scrambled)
Which of the following is most basic in water?
A. aniline B. methylamine
C. pyrrole
D. ammonia
B. methylamine
(this multiple choice question has been scrambled)
Which of the following is most basic?
A. aniline
B. 4-methylaniline C. 4-methoxyaniline
D. 4-nitroaniline
C. 4-methoxyaniline
(this multiple choice question has been scrambled)
2
3
Which of the following is not an intermediate in the Hofmann rearrangement of octanamide to give heptanamine (i.e., treatment of octanamide with NaOH, Br2, H2O)?
A. N-bromoamide, C7H15CONHBr
B. isocyanate, C7H15-N=C=O
C. C7H15CONH- D. imide, C7H15-CONHCO-C7H15
D. imide, C7H15-CONHCO-C7H15
(this multiple choice question has been scrambled)
