Carboxylic Acids and their Derivatives - Result Question 47
####33. Compound $A$ of molecular formula $C _9 H _7 O _2 Cl$ exists in keto form and predominantly in enolic form $B$. On oxidation with $KMnO _4, A$ gives $m$-chlorobenzoic acid. Identify $A$ and $B$.
(2003 Main, 2M)
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Solution:
- Compound $A$ of molecular formula $C _9 H _7 O _2 Cl$ exist in keto and predominantly in enolic form $B$. Hence, $A$ must be a carbonyl compound which contain $\alpha-H$. Enolic forms of $B$ predominates because of presence of intramolecular $H$-bonding.
