Which of the following compounds shows geometrical isomerism?

Question

Canvas Classes · Accepted Answer

Step 1: Identifying Geometrical Isomerism in Alkenes
Geometrical isomerism ( or ) requires each carbon of the double bond to be attached to two different groups.
- 2-methylpent-2-ene:  (One carbon has two methyls - No GI)
- 4-methylpent-1-ene:  (Terminal bond - No GI)
- 2-methylpent-1-ene:  (Terminal bond - No GI)
- 4-methylpent-2-ene:

Step 2: Final Evaluation
In 4-methylpent-2-ene, the C2 is attached to H and Me, and C3 is attached to H and Isopropyl. Both possess two different groups.

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