Evaluation of Standard Changes in Free Energy During Complexation of p-chlorobenzoylthioacetophenone with Some Bivalent Transition Metals
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https://doi.org/10.58414/SCIENTIFICTEMPER.2022.13.2.23Keywords:
Free energy, p-chlorobenzoylthioacetophenone, Potentiometric Titration, Stability Constant, Solution equilibriaDimensions Badge
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Para-chlorobenzoylthioacetophenone is an organic ligand of monothio-β-diketone class. Stability constants of bivalent complexes of manganese, nickel, palladium and platinum at three different temperatures were determined using Calvin-Bjerrum’s pH-metric technique as adopted by Irving and Rossotti. From the data of stability constant of the complexes obtained, standard changes in free energy at the said temperatures namely 283K, 293K and 303K were determined with the help of thermodynamic relation, ΔG° = −2.303 RT Log β. Standard changes in free energy contributing towards complex formation have been discussed.Abstract
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