Lower aliphatic carboxylic acids exhibit excellent solubility in water due to extensive hydrogen bonding. Up to exactly how many carbon atoms in the continuous aliphatic chain is a carboxylic acid con

Question

Lower aliphatic carboxylic acids exhibit excellent solubility in water due to extensive hydrogen bonding. Up to exactly how many carbon atoms in the continuous aliphatic chain is a carboxylic acid considered to be completely miscible (soluble in all proportions) with water?

Prashant Kotian · Accepted Answer

Correct answer: 4. According to standard physical property texts, lower aliphatic carboxylic acids containing up to 4 carbon atoms (Formic, Acetic, Propanoic, and Butanoic acid) are completely miscible with water in all proportions due to optimal hydrogen bonding overriding the small hydrophobic chain.

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