Abstract
Thermal studies on organomercury(II) derivatives of Kojic acid and maltol of the type RHgL 1 and RHgL 2 [R = phenyl (C 6H 5), p-hydroxyphenyl (p-HOC 6H 4), p-acetoxyphenyl (p-AcOC 6H 4); HL 1 = Kojic acid, HL 2 = maltol] have been carried out. From thermogravimetric (TG) curves, the order, activation energy and apparent activation entropy of the thermal decomposition reaction have been elucidated. The variation of activation energy has been correlated with the nature of the substituent on the phenyl ring. The heat of reaction has been determined from differential scanning calorimetric (DSC) studies.
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