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Pentanoic acid evolves CO 2 gas on reaction with NaHCO 3 . n-pentanol does not react with NaHCO 3 . CH 3 CH 2 CH 2 CH 2 COOH +NaHCO 3 --> CH 3 CH 2 CH 2 CH 2 COONa +CO 2 + H 2 O CH 3 CH 2 CH 2 CH 2 CH 2 OH +NaHCO 3 --> No reaction

Aldehydes, Ketones and Carboxylic Acids

Question

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Differentiate between n-pentanol and pentanoic acid.

Answer

Pentanoic acid evolves CO₂ gas on reaction with NaHCO₃. n-pentanol does not react with NaHCO₃.
CH₃CH₂CH₂CH₂COOH +NaHCO₃ --> CH₃CH₂CH₂CH₂COONa +CO₂ + H₂O
CH₃CH₂CH₂CH₂CH₂OH +NaHCO₃ --> No reaction