Amines

Topics in this chapter

• Basicity and Physical Properties
• Preparation and Conversions
• Nitrous Acid and Diazonium Reactions
• Qualitative Tests for Amines
• Aniline Substitution and Protection

Cheat sheet

Practice questions

1. Question 1Q-39E2AE

   Which of the following amines will give a foul-smelling compound when heated with chloroform and ethanolic potassium hydroxide?

   1. A.N-methylethanamine
   2. B.N,N-dimethylethanamine
   3. C.Ethanamine
   4. D.Triethylamine
   See the answer and solution
2. Question 2Q-6299D5

   The correct order of basicity of aliphatic amines in aqueous solution is:

   1. A.(CH3)3N > (CH3)2NH > CH3NH2 > NH3
   2. B.(CH3)2NH > CH3NH2 > (CH3)3N > NH3
   3. C.(CH3)2NH > (CH3)3N > CH3NH2 > NH3
   4. D.CH3NH2 > (CH3)2NH > (CH3)3N > NH3
   See the answer and solution
3. Question 3Q-2A830E

   Reaction of aniline with nitrous acid ($HNO_2$) at 273-278 K followed by treatment with $\beta$-naphthol in alkaline medium yields a dye of which color?

   1. A.Blue
   2. B.Yellow
   3. C.Red
   4. D.Green
   See the answer and solution
4. Question 4Q-97D8AA

   Which of the following reagents can be used to convert nitrobenzene to aniline?

   1. A.$H_2$ / Pd
   2. B.Sn / HCl
   3. C.$LiAlH_4$
   4. D.Both A and B
   See the answer and solution
5. Question 5Q-5E3300

   Gabriel phthalimide synthesis is used for the preparation of:

   1. A.Primary aliphatic amines
   2. B.Secondary aliphatic amines
   3. C.Primary aromatic amines
   4. D.Tertiary amines
   See the answer and solution