Classification of Isomerism NEET Questions

Classification of Isomerism MCQ Questions

13.
The type of structural isomerism in which compounds have the same carbon skeleton and molecular formula but differ in the position of a substituent, functional group, or multiple bond is called:
A.
Tautomerism
B.
Chain isomerism
C.
Metamerism
D.
Position isomerism
ANSWER :
D. Position isomerism
14.
1-Butene (CHβ‚‚=CH-CHβ‚‚-CH₃) and 2-butene (CH₃-CH=CH-CH₃), both having the molecular formula Cβ‚„Hβ‚ˆ, are examples of which type of isomerism?
A.
Optical isomerism
B.
Position isomerism
C.
Functional isomerism
D.
Chain isomerism
ANSWER :
B. Position isomerism
15.
1-Pentyne and 2-pentyne, both having the molecular formula Cβ‚…Hβ‚ˆ, are examples of which type of isomerism, due to the differing location of the triple bond?
A.
Ring-chain isomerism
B.
Chain isomerism
C.
Position isomerism
D.
Geometrical isomerism
ANSWER :
C. Position isomerism
16.
Ortho-xylene, meta-xylene, and para-xylene, all having the molecular formula Cβ‚ˆH₁₀, are classic examples of which type of isomerism found in aromatic hydrocarbons?
A.
Position isomerism
B.
Chain isomerism
C.
Optical isomerism
D.
Geometrical isomerism
ANSWER :
A. Position isomerism
17.
1-Chloropropane and 2-chloropropane, both having the molecular formula C₃H₇Cl, are examples of which type of isomerism?
A.
Chain isomerism
B.
Tautomerism
C.
Metamerism
D.
Position isomerism
ANSWER :
D. Position isomerism
18.
The type of structural isomerism in which compounds have the same molecular formula but belong to entirely different classes of compounds (different functional groups) is called:
A.
Functional isomerism
B.
Geometrical isomerism
C.
Chain isomerism
D.
Position isomerism
ANSWER :
A. Functional isomerism