A study of equilibrium between cadmium cyanide and alkali halides and thiocyanate by solubility measurements |
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| Authors: | Ajai M Tripathi Nisha Agarwal Abhilash K Agrawal |
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| Institution: | (1) Chemical Laboratories, M. M. M. Engineering College, Gorakhpur, India;(2) Present address: University of Gorakhpur, Gorakhpur, India |
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| Abstract: | Summary A study of the Cd(CN)2 +x X–  Cd(CN)2X
x
]
x–
equilibrium (where X = Cl, Br or CNS) has been carried out at 18° and 38° by measuring the solubility of cadmium cyanide in potassium chloride, bromide and thiocyanate at various concentrations, and at a high ionic strength (6 M) maintained with sodium perchlorate to minimise the effect of activity coefficients. Equilibrium constants forx = 1 and 2 have been calculated and clearly favour the situation wherex = 1.  H values for the dissociation of Cd(CN)2X]– have also been calculated. |
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