Test 4

Which of the following is not represented? 
A. a pyridine ring
B. heterocyclic aromatic amine
C. secondary amine
D. aromatic amine
E. aliphatic amine

Which of the following statements is false concerning the Hofmann elimination?
A. It requires a quaternary ammonium salt.
B. It preferentially forms the less substituted alkene.
C. It is a b-elimination reaction.
D. It is a stereospecific reaction.
E. It proceeds via an E2 mechanism.

Which is the least basic?

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. Ethanamine is more polar than ethanol.
D. Ethanol forms stronger hydrogen bonds than ethanamine.
E. Ethanol is heavier than ethanamine.

Arrange from strongest --> weakest base

Which is true?
A. A is more basic than B.
B. Both A and B are aromatic.
C. Both A and B are planar molecules.
D. B is more basic than A.
E. Both A and B are aliphatic amines.

What cannot be made from an arenediazonium salt?
A. Be-CN
B. Be-OH
C. Be-Be
D. Be-F
E. Be-H

Which is true?
A. Both are aromatic.
B. Only one molecule is an amine.
C. B is more polar than A.
D. A is more basic than B.
E. All of these statements are true

Which of the following is most basic in water?
A. pyrrole
B. ammonia
C. aniline
D. methylamine

Which of the following is most basic?
A. aniline
B. 4-nitroaniline
C. 4-methoxyaniline
D. 4-methylaniline

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. isocyanate, C7H15-N=C=O
B. imide, C7H15-CONHCO-C7H15
C. N-bromoamide, C7H15CONHBr
D. C7H15CONH-