As the molecular weight of a carboxylic acid increases, solubility in water decreases. It is due to

Options

A. hydrophobicity of the hydrocarbon portion over weights the hydrophilicity of the carboxyl group
B. hydrophobicity of the carboxyl group overweights the hydrophilicity of the hydrocarbon portion
C. ionisation of the carboxylic acid is increased
D. carboxylic acid exists as dimer

Answer

A