How many structural isomers does pentane, C5H12, have, including itself?
Answer and explanation
Correct answer: B. 3
- Step 1: Pentane, 2-methylbutane and 2,2-dimethylpropane are the three isomers of C5H12. Answer: 3. Why not the others: 2, 4 and 5 don't fit.
Practise more Organic chemistry.
Free questions with an explanation for every one, and full timed IOE Engineering Entrance Examination (Tribhuvan University, Nepal) mock tests.