Question
riefly explain Kolbe’s electrolytic method for the synthesis of alkanes.
Answer :
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Kolbe’s electrolytic method is an important synthetic route for preparing alkanes from sodium or potassium salts of aliphatic carboxylic acids. When the aqueous solution of sodium acetate or similar carboxylate is electrolyzed using inert electrodes such as platinum, decarboxylation takes place and alkyl radicals are generated at the anode. These radicals immediately undergo coupling to form symmetrical alkanes. The process reflects principles of atomic structure and bonding, where oxidation removes an electron to form a carbon-centered radical possessing an unpaired electron in a p-orbital. The combination of two radicals leads to the formation of a
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