Which of the following is an example of a compound that exhibits tautomeric isom

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Question: Which of the following is an example of a compound that exhibits tautomeric isomerism?

Options:

Correct Answer: Acetaldehyde

Solution:

Acetaldehyde can exist in two forms (keto and enol) that readily interconvert, demonstrating tautomeric isomerism.

Which of the following is an example of a compound that exhibits tautomeric isomerism?

Which of the following is an example of a compound that exhibits tautomeric isomerism?

Step 1: Understand what tautomeric isomerism is. It is when a compound can exist in two different forms that can easily change into each other.
Step 2: Identify the two forms of a compound. In the case of acetaldehyde, it can exist as a keto form (which has a carbonyl group) and an enol form (which has a hydroxyl group attached to a carbon-carbon double bond).
Step 3: Recognize that these two forms (keto and enol) can interconvert, meaning they can change from one form to the other easily.
Step 4: Conclude that since acetaldehyde can exist in these two forms and they can change into each other, it is an example of a compound that exhibits tautomeric isomerism.

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