What type of isomerism is exhibited by disubstituted benzene derivatives?

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Question: What type of isomerism is exhibited by disubstituted benzene derivatives?

Options:

Correct Answer: Geometric isomerism

Solution:

Disubstituted benzene derivatives can exhibit geometric isomerism due to the restricted rotation around the carbon-carbon bonds.

What type of isomerism is exhibited by disubstituted benzene derivatives?

What type of isomerism is exhibited by disubstituted benzene derivatives?

Step 1: Understand what disubstituted benzene means. It refers to a benzene ring that has two substituent groups attached to it.
Step 2: Recognize that the carbon-carbon bonds in the benzene ring can restrict rotation. This means that the arrangement of the substituents can be fixed in certain positions.
Step 3: Identify the types of arrangements possible. The two substituents can be on the same side (cis) or on opposite sides (trans) of the benzene ring.
Step 4: Conclude that this fixed arrangement leads to geometric isomerism, which is a type of isomerism where the same molecular formula can have different spatial arrangements.

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