Q. Which one of the following compounds can exist as cis-trans isomers?
A) Pent-1-ene
B) 2-Methylhex-2-ene
C) 1,1-Dimethylcyclopropane
D) 1.2-Dimethylcyclohexane
Explanation
[Solution by Claude - not from source] Pent-1-ene and 2-methylhex-2-ene have two identical groups on one alkene carbon; 1,1-dimethylcyclopropane has both methyls on the same carbon. 1,2-Dimethylcyclohexane has substituents on two ring carbons and shows cis-trans isomerism. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.