How to make an aromatic carboxylic acid by oxidising a methyl side chain?
Heat the compound with alkaline potassium manganate (aq). Initial product is the Na/K salt of benzene carboxylic acid. Mixture then acidified. Makes the acid. PRODUCT: brown/black sludge of manganese(VI)oxide+some Benzaldehyde+BENZENECARBOXYLIC ACID
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