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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

Cryoscopy in molten pyridinium chloride

H Bloom and VC Reinsborough

Australian Journal of Chemistry 20(12) 2583 - 2587
Published: 1967

Abstract

The molal cryoscopic constant in molten pyridinium chloride (m.p. 146.0°) has been found to be 17.4° (subject to confirmation by calorimetry) and the cryoscopic heat of fusion, 2310±40 cal mole-1. In pyridinium chloride as a solvent, iodides appear to dissociate completely while bromides do not yield the expected depression possibly because of solid solution. Tetraalkylammonium and alkyl-pyridinium halides of high molecular weight are ideally dissociated in extremely dilute solution but with increasing concentration apparently form micelles.

https://doi.org/10.1071/CH9672583

© CSIRO 1967

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