Amines MCQ

Class 12 | Chemistry

1. Which functional group is present in amines?
   a) -OH
   b) -NH2
   c) -CHO
   d) -COOH
2. The general formula for primary amines is:
   a) R-NH2
   b) R2NH
   c) R3N
   d) R4N
3. Which of the following is not a primary amine?
   a) Methylamine
   b) Ethylamine
   c) Propylamine
   d) Dimethylamine
4. Aniline is an example of which type of amine?
   a) Primary amine
   b) Secondary amine
   c) Tertiary amine
   d) Aromatic amine
5. The reaction of amines with nitrous acid results in the formation of:
   a) Nitroalkanes
   b) Nitriles
   c) Alcohols
   d) Diazonium salts
6. What is the IUPAC name for CH3NH2?
   a) Methanamine
   b) Methylamine
   c) Ethanamine
   d) Ethylamine
7. Which of the following is a secondary amine?
   a) CH3NH2
   b) CH3CH2NH2
   c) (CH3)2NH
   d) (CH3)3N
8. When an amine reacts with an acid, what type of salt is formed?
   a) Ammonium salt
   b) Amino salt
   c) Alkyl salt
   d) Acetyl salt
9. Which amine cannot be prepared by Gabriel synthesis?
   a) Primary amine
   b) Secondary amine
   c) Tertiary amine
   d) Aromatic amine
10. What is the product of the reaction between aniline and HNO2 at low temperature?
    a) Nitrobenzene
    b) Benzene
    c) Diazonium salt
    d) Anilinium chloride
11. The basic strength of amines increases with:
    a) Decreasing size of alkyl groups
    b) Increasing size of alkyl groups
    c) Increasing number of alkyl groups
    d) Decreasing number of alkyl groups
12. Which of the following is an aromatic amine?
    a) Methylamine
    b) Ethylamine
    c) Aniline
    d) Propylamine
13. Which amine is used in the synthesis of dyes?
    a) Primary amine
    b) Secondary amine
    c) Tertiary amine
    d) Aromatic amine
14. Which reagent is commonly used to convert aniline into benzene diazonium chloride?
    a) H2SO4
    b) HNO3
    c) NaOH
    d) NaNO2
15. Which type of amine can form hydrogen bonds with water most effectively?
    a) Primary amine
    b) Secondary amine
    c) Tertiary amine
    d) Aromatic amine
16. What is the product when aniline reacts with acetyl chloride?
    a) N-methyl aniline
    b) N-phenyl acetamide
    c) N-ethyl aniline
    d) N-acetyl aniline
17. Which amine can undergo Hoffmann bromamide degradation?
    a) Primary amine
    b) Secondary amine
    c) Tertiary amine
    d) Aromatic amine
18. What is the structural formula of dimethylamine?
    a) CH3NH2
    b) (CH3)2NH
    c) (CH3)3N
    d) CH3NHCH3
19. Which amine is used in the preparation of rubber?
    a) Primary amine
    b) Secondary amine
    c) Tertiary amine
    d) Aromatic amine
20. Which of the following is a heterocyclic amine?
    a) Ethylamine
    b) Aniline
    c) Pyrrole
    d) Butylamine

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