Question:

In the following compound keto group is at position

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In cyclic ketones, numbering gives carbonyl carbon the lowest possible number.
Updated On: Apr 23, 2026
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The Correct Option is D

Solution and Explanation

Step 1: Understanding the Concept:
Keto group is C=O. Numbering in cyclic compounds follows IUPAC rules.
Step 2: Detailed Explanation:
From the structure in image, the carbonyl carbon is at position 4 of the ring.
Step 3: Final Answer:
Thus, keto group is at position 4.
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