Question:medium

Find A

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\(\beta\)-keto acids undergo thermal decarboxylation via a six-membered cyclic transition state.
Updated On: Jun 19, 2026
  • (a)
  • (b)
  • (c)
  • None of these
Show Solution

The Correct Option is C

Solution and Explanation

To determine the compound A from the reaction shown in the image, let's analyze the given chemical reaction:

The compound in question has two carboxyl groups. When heated (indicated by the delta symbol, ∆), a compound with two carboxylic acids can undergo decarboxylation. This process results in the removal of a carbon dioxide molecule (CO₂) from the compound.

Step-by-step Solution:

  1. The compound has a β-keto acid structure. The presence of the β-keto group makes it susceptible to decarboxylation upon heating.
  2. Decarboxylation typically removes one of the carboxyl groups to release CO₂, leading to the formation of a ketone or cyclic ketone.
  3. From the given options, the compound that will result after losing one carboxyl group via decarboxylation will most closely match option (c).

Therefore, the correct answer is option (c).

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