10) Which of the following is a tertiary amine?
A) cyclohexylamine
B) 3-pentanamine
C) methylamine
D) N,N-dimethylaniline
E) N-ethyl-1-propanamine
D) N,N-dimethylaniline
11) Which of the following is a secondary amine?
A) cyclohexylamine
B) 3-pentanamine
C) methylamine
D) N,N-dimethylaniline
E) N-ethyl-1-propanamine
E) N-ethyl-1-propanamine
45) Secondary amines react with the nitrosonium ion to generate:
A) diazonium salts
B) oximes
C) N-nitrosoamines
D) imines
E) anilines
C) N-nitrosoamines
67) In 1H NMR protons on the ?-carbon of amines typically absorb between ?:
A) 1.0 and 2.0 ppm
B) 2.0 and 3.0 ppm
C) 3.0 and 4.0 ppm
D) 6.0 and 7.0 ppm
E) 9.0 and 10.0 ppm
B) 2.0 and 3.0 ppm
69) When pyridine is treated with a mixture of nitric and sulfuric acids, the major product is:
A) 2-nitropyridine
B) 3-nitropyridine
C) 4-nitropyridine
D) 3-aminopyridine
E) 4-aminopyridine
B) 3-nitropyridine
71) Which of the following compounds is a 2� amine?
A) cyclohexylamine
B) t-butylamine
C) N-ethylaniline
D) N,N-diethylaniline
E) N-butylpyridinium bromide
C) N-ethylaniline
79) When a 1� amine reacts with an alkyl sulfonyl chloride, the major organic product is __________.
A) a tosylhydrazone
B) a nitrile
C) a sulfoxide
D) an oxime
E) a sulfonamide
E) a sulfonamide
79) When a 1� amine reacts with an alkyl sulfonyl chloride, the major organic product is __________.
A) a tosylhydrazone
B) a nitrile
C) a sulfoxide
D) an oxime
E) a sulfonamide
Answer: E
...
87) Pyridine typically undergoes electrophilic aromatic substitution __________ rapidly than benzene, and its preferred site of substitution is the __________ - position.
A) more, 2
B) more, 3
C) more, 4
D) less, 2
E) less, 3
E) less, 3
91) Which of the following compounds containing a tertiary amine?
1) 2-methyl-2-propanamine
2) N-ethylpyrrolidine
3) N-methylcyclohexylamine
4) 2-(dimethylamino)butanal
A) 1
B) 4
C) 3
D) 2 and 4
E) 1 and 3
D) 2 and 4
97) Which of the following amines could be formed by reduction of an amide?
1) benzylamine 2) isopropylamine 3) aniline 4) triethylamine
A) 1
B) 3 and 4
C) 1 and 4
D) 2 and 3
E) 1, 3 and 4
C) 1 and 4