Which of the following compounds exhibits geometric isomerism?

Which of the following compounds exhibits geometric isomerism?

Correct Answer: 2-butene

Step 1: Understand what geometric isomerism is. It occurs when compounds have the same molecular formula but different arrangements of atoms due to a double bond or a ring structure.
Step 2: Identify the compound in question. In this case, we are looking at 2-butene.
Step 3: Recognize that 2-butene has a double bond between the second and third carbon atoms.
Step 4: Determine if the double bond allows for different arrangements. In 2-butene, the two carbon atoms involved in the double bond can have different groups attached to them.
Step 5: Identify the two possible arrangements: 'cis' (same side) and 'trans' (opposite sides) configurations.
Step 6: Conclude that since 2-butene can exist in these two forms, it exhibits geometric isomerism.

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