Question
The activation energy is lower for decarboxylation when the β-carbon is a
____ because either the anion intermediate is resonance stabilized or the acid
forms a more stable cyclic intermediate.
Answer
The activation energy is lower for decarboxylation when the β-carbon is a
carbonyl because either the anion intermediate is resonance stabilized or the acid
forms a more stable cyclic intermediate.
Note: Good oxidizing agents have a high affinity for electrons (such as O2, O3, and Cl2) or unusually high oxidation states (like Mn7+ in permanganate, MnO4- ; and Cr6+ in chromate, CrO42- ).
Mnemonic: OIL RIG!
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