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Aldehydes, Ketones And Carboxylic Acids

Question
CBSEENCH12008540

Differentiate between n-pentanol and pentanoic acid.

Solution
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