Formation constant and free energy values of 1:1 complexes of paraffin wax, cholestrol, napthalene with phenol

P. Sivashankar and A. Umamaheswari

Hydrogen bonding between paraffinwax, cholesterol, naphthalene with phenol is studied in carbon tetrachloride by using the FTIR spectroscopic method. Utilizing the Nash method, the formation constant (K) of the 1:1 complexes is calculated. Using the K value, the free energy change (∆G) is also calculated. The calculated formation constant and free energy change values vary which suggests that the proton donating ability in the order: paraffin wax ˂ cholesterol ˂ naphthalene.

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