Author:
Dellien Ingemar,Hepler Loren G.
Abstract
We have carried out calorimetric measurements leading to ΔHf0 = −60 kcal mol−1 for Cr3+(aq). Further calorimetric measurements have led to enthalpies of reaction of Cr3+(aq) with HF(aq), Cl−(aq), Br−(aq), and SO42−(aq) to form the 'inner sphere' complexes CrF2+(aq), CrCl2+(aq), CrBr2+(aq), and CrSO4+(aq). Results of our measurements lead to ΔHf0 = (−60.0 ± 1.5) kcal mol−1 for Cr3+(aq), ΔHf0 = −136.8 kcal mol−1 for CrF2+(aq), ΔHf0 = −93.7 kcal mol−1 for CrCl2+(aq), ΔHf0 = −80.1 kcal mol−1 for CrBr2+(aq), and ΔHf0 = −269.7 kcal mol−1 for CrSO4+(aq).
Publisher
Canadian Science Publishing
Subject
Organic Chemistry,General Chemistry,Catalysis
Cited by
10 articles.
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