STUDY OF CATALYTIC ACTIVITY OF NICKEL(II)–LEUCINE COMPLEX ON THE DECAY OF CUMENE HYDROPEROXIDE IN AQUEOUS SOLUTION
DOI:
https://doi.org/10.46991/PYSUB.2012.46.3.013Keywords:
catalysis, metal ion, reaction kinetics, hydroperoxideAbstract
The formation of Ni(II)–Leucine (Leu) complex (1:1) is established. It acts as a model homogeneous catalyst on the decay of cumene hydroperoxide (ROOH) in the studied system H2O–Ni2+–Leu–ROOH. ROOH catalytic decay rate law is: W0 = –d [ROOH]0/dt=Kcat [Ni2+Leu]0[ROOH]0=Keff[ROOH]0. The temperature dependence of ROOH decay rate effective constant Keff (Keff=Kcat[Ni2+Leu]0=const) in the 50–700C temperature range can be expressed by Arrhenius equation (the activation energy is expressed in kJ/mol): Keff = (1.87 ± 0.02)105 exp[(–46.6 ± 0.20)/RT], min–1.
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2012-10-01
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Chemistry
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“STUDY OF CATALYTIC ACTIVITY OF NICKEL(II)–LEUCINE COMPLEX ON THE DECAY OF CUMENE HYDROPEROXIDE IN AQUEOUS SOLUTION”. 2012. Proceedings of the YSU B: Chemical and Biological Sciences 46 (3 (229): 13-17. https://doi.org/10.46991/PYSUB.2012.46.3.013.