Amines(Nomenclature, Classification Structure, Basic Character,...) NEET Questions

Organic Chemistry - Organic Compounds Containing Nitrogen

Amines(Nomenclature, Classification Structure, Basic Character,...) MCQ Questions


1.
Amines can be considered as derivatives of ammonia (NH₃), formed by replacing one, two, or all three hydrogen atoms with:
A.
Alkyl or aryl groups
B.
Oxygen atoms only
C.
Hydroxyl groups only
D.
Halogen atoms only
😑 View Answer Rough Work Error
ANSWER :
A. Alkyl or aryl groups
2.
Based on the number of hydrogen atoms of ammonia replaced by alkyl/aryl groups, amines are classified into three types, namely:
A.
Saturated, unsaturated, and aromatic amines only
B.
Primary, secondary, and tertiary amines
C.
Aliphatic, aromatic, and cyclic amines only
D.
Acidic, basic, and neutral amines
😑 View Answer Rough Work Error
ANSWER :
B. Primary, secondary, and tertiary amines
3.
A primary (1°) amine is formed when how many hydrogen atoms of ammonia are replaced by alkyl or aryl groups?
A.
Three hydrogen atoms
B.
Two hydrogen atoms
C.
One hydrogen atom
D.
No hydrogen atoms are replaced
😑 View Answer Rough Work Error
ANSWER :
C. One hydrogen atom
4.
A secondary (2°) amine is formed when how many hydrogen atoms of ammonia are replaced by alkyl or aryl groups?
A.
One hydrogen atom
B.
Two hydrogen atoms
C.
Three hydrogen atoms
D.
All hydrogen atoms including any additional ones
😑 View Answer Rough Work Error
ANSWER :
B. Two hydrogen atoms
5.
A tertiary (3°) amine is formed when how many hydrogen atoms of ammonia are replaced by alkyl or aryl groups?
A.
Only one hydrogen atom
B.
No hydrogen atoms at all
C.
All three hydrogen atoms
D.
Only two hydrogen atoms
😑 View Answer Rough Work Error
ANSWER :
C. All three hydrogen atoms
6.
In the classification of amines as primary, secondary, or tertiary, the classification is based on the number of:
A.
Nitrogen atoms present in the molecule
B.
Total carbon atoms present anywhere in the molecule
C.
Hydrogen atoms present in the entire molecule
D.
Carbon atoms directly attached to the nitrogen atom
😑 View Answer Rough Work Error
ANSWER :
D. Carbon atoms directly attached to the nitrogen atom