Journal of Chemistry

Journal of Chemistry / 2009 / Article

Open Access

Volume 6 |Article ID 579843 | 11 pages |

Mechanism of Trees / Bushes Like Pattern in Chemical System

Received07 Sep 2008
Accepted30 Oct 2008


Trees / bushes like pattern have been investigated in succinic acid + ethylacetoacetate + BrO3 + Fe (phen)3+2 + Ce+4 + H2SO4 system at 30 °C in a petridish after 6 hours. These patterns are dependent on initial concentration of reactants and temperature. The system first shows fast appearing / disappearing blue and red pattern then bifurcate into concentric waves and finally shows a tree / bushes type pattern which grows in length and breadth against time. Microphotographs of trees / bushes pattern, succinic acid and ceric ammonium sulphate shows that a new compound has been formed which is responsible for this pattern. It is further confirmed by X-ray powder spectrum of trees / bushes pattern material and succinic acid. IR spectra of pattern material show that presence of cyclic compound in which Ce+4 ion coordinated by hydroxyethylacetoacetate. A tentative mechanism of pattern formation is proposed.

Copyright © 2009 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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