The dielectric measurements on the mixtures of benzaldehyde with phenol and cresols as well as of acetophenone withn-butylalcohol and phenol in carbontetrachloride have been made in the temperature range (290–318)K. The relaxation time of the complexed species have been calculated using Higasiet al., method. With the help of the equation proposed previously in one of our earlier papers, the equilibrium constants along with thermodynamical parameters for association process have been evaluated using different values of constantsAandB.The fairly good agreement between the calculated values of equilibrium constant (K) and its literature values shows the applicability and reliability of the proposed equation and also the importance of the need for a detailed study in this direction.