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Worksheetsเอมีน
Total questions: 15
Worksheet time: 8mins
Which of the following amines do you expect to have the highest boiling point?
Triethyl amine
methyl amine
dimethyl amine
diethyl amine
Which one among the following is a strongest base
methyl amine
Ammonia
Phenyl amine
Which is the correct arrangement of compounds based on decreasing order of Kb value
methyl amine > ammonia > phenyl amine
Phenyl amine > ammonia > methyl amine
Ammonia > phenyl amine > methyl amine
Which reagent can be used to convert Nitrobenzene to Aniline
KMNO4
Ammonia
Hydrogen on Palladium
None of the above
Amides are converted to amines by
Oxidation
Reduction
Hydrolysis
Ammonolysis
Amines can be prepared from the following reactions except ______
reduction of nitriles
reduction of amides
reduction of nitro compounds
reduction of carboxylic acids
Which of the following is a tertiary amines?
A. RNH2
B. RN(CH3)2
C. RNHCH3
D. RN+(CH3)
N,N-Dimethyl-3-pentanamine
N,N-Dimethyl-3-hexanamine
N,N-Dimethyl-3-éthylpropanamine
N,N-Dimethyl-5-éthylpropanamine
N,N-dimethylethylamine
N,N-diethylethylamine
N,N-dimethylpropylamine
N,N-dimethylmethylamine
The following statements are true about amines EXCEPT
A. Only primary and secondary amines can form hydrogen bonding with water molecules.
B. Amino compound can be prepared by reduction of nitrile compounds.
C. The boiling point of tertiary amine is the lowest because it cannot form hydrogen bonding between molecules.
D. Amino compound undergoes nucleophilic substitution with haloalkes.
Pick the FALSE statement about amines
A. Amines can undergo alkylation with haloalkanes
B. Aliphatic amines are stronger bases than ammonia
C. Aliphatic amines are weaker bases than aromatic amine
D. Both primary aliphatic and aromatic amines will release N2 when reacts with HNO2 at high temperature
Aromatic amines are ____ bases than ammonia, due to the ____ nature of the aryl group.
Stronger, electron donating
Weaker, electron donating
Stronger, electron withdrawing
Weaker, electron withdrawing
The following methods can be used to prepare ethanamine except for
ethanenitrile + LiAlH4
ethanamide + LiAlH4
1-bromoethane + NH3
1-bromoethane + KCN + LiAlH4
