To determine which compound shows geometrical isomerism, we need to understand what geometrical isomerism is. Geometrical isomerism, also known as cis-trans isomerism, is a type of stereoisomerism that occurs in alkenes and other compounds wherein geometry or the spatial arrangement of atoms or groups around a double bond can result in different isomers.
For a compound to show geometrical isomerism, the following conditions must be met:
The compound must contain a double bond, which restricts rotation.
Each carbon atom in the double bond must have two different groups or atoms attached to it.
Let's analyze the given options:
- This image must be checked directly for suitable conditions.
- This image must be checked directly for suitable conditions.
- This image depicts a compound with a double bond where each carbon atom has two different groups. Hence, it shows geometrical isomerism.
- This image must be checked directly for suitable conditions.
Option 3, represented in Fig 3, satisfies the conditions for geometrical isomerism, where different groups are attached to the carbons of a double bond, allowing cis-trans isomers.
Conclusion: The correct answer is option 3.
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Approach Solution -2
The compound in option (3) shows geometrical isomerism due to the unsymmetrical arrangement around the double bond. The Correct Answer is:
