Question

Which of the following are chain isomers of heptane?

• A. 2-methylhexane
• B. 3-ethylpentane
• C. n-heptane
• D. 2,2,3-trimethylbutane

Answer 1

Answer: (A), (B), (C), (D)

The correct options are
A 2-methylhexane
B 3-ethylpentane
C n-heptane
D 2,2,3-trimethylbutane

Heptane $\left(C_7{H}_{1}6\right)$ has a total of 9 chain isomers namel n-heptane, 2-methylhexane, 3-methylhexane, 2,3-dimethylpentane, 2,4-dimethylpentane, 2,2-dimethylpentane, 3,3-dimethylpentane, 3-ethylpentane and 2,2,3-trimethylbutane. The structures of these compounds are given below-