Influence of Chemically Inert Cations on the Hydrogen-bond Network in the Bray-Liebhafsky Oscillatory Reaction
Dragomir R. Stanisavljev A B , Ivana Ž. Ljubić A and Maja C. Milenković A
+ Author Affiliations
- Author Affiliations
A Faculty of Physical Chemistry, University of Belgrade, Studentski trg 12-16, PO Box 47, 11158, Belgrade, Serbia.
B Corresponding author. Email: dragisa@ffh.bg.ac.rs
Australian Journal of Chemistry 67(6) 944-948 https://doi.org/10.1071/CH14021
Submitted: 15 January 2014 Accepted: 12 February 2014 Published: 10 April 2014
Abstract
The influence of the chemically inert alkali metal cations on the Bray-Liebhafsky oscillatory reaction dynamics was investigated by the addition of the same amount of various sulfates to the reaction mixture. Beside the expected changes related to the altered acidity of the sulfuric acid solution, subtle changes dependent on cation dimensions were noticed. Larger cations have more impact on the Bray-Liebhafsky reaction dynamics. Analysing the mean ionic activity of salts, it is suggested that the effects may be related to the altered extent of water hydrogen bonding and specific role of bulk water in the reaction mechanism.
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