What fundamental condition for geometric isomerism contrasts it with the structural isomerism found in simple alkanes?
Q1. What fundamental condition for geometric isomerism contrasts it with the structural isomerism found in simple alkanes?
Answer: Geometric isomerism occurs due to restricted rotation around a pi bond
Explanation: Geometric isomerism requires a double bond to prevent rotation, while structural isomers can exist with only single bonds allowing free rotation.