Abstract

In a room temperature ionic liquid RTILs) BMIInCl4, he equilibrium constants were determined potentiometrically
for the dissociation reaction: 2InCl4- = In2Cl7- + Cl- in the temperature range 313-348 K. The equilibrium constants
K= [Cl-][In2Cl7-]/[InCl4-]2, pK = 76.43 – 780.9/T – 0.115T on different temperature. According to the
thermodynamic relationship and the parameters of above equation, the dissociation entropy was determined.

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