Electric Polarization of Carboxylic Acids II. Polarization of Heavy Acetic Acid and of the Three Fluorobenzoic Acids in Benzene and the Anomalous Polarization of the Dimer

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Abstract
The electric polarizations of acetic acid‐d and o‐ m‐ and p‐fluorobenzoic acids have been determined in benzene solution at concentrations ranging from approximately 10—5 to 10—2 mole fraction of solute. On the assumption of a monomer‐dimer equilibrium, the polarization of the monomer and of the dimer molecules and the equilibrium constant have been calculated. The unexpectedly high polarization of the dimer is best interpreted on the basis of the assumption of an atomic polarization of about 20 cc.

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