Q. How many different stereoisomers are possible for the given molecule? CH₃–CH(OH)–CH=CH–CH₃
A) 2
B) 1
C) 4
D) 3
Explanation
[Solution by Dr. Abubacker] One stereocentre (the carbinol carbon, 2 forms) and one stereogenic C=C (cis/trans) give 2 × 2 = 4 stereoisomers. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.