✦ LIBER ✦

Study on kinetics and mechanism of copper-catalyzed oxidation of hydrazine by iron (III) in acid solution

✍ Scribed by Cheng De-Ping; Xia Shi-Jun

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 338 KB
Volume: 14
Category: Article
ISSN: 0256-7660
DOI: 10.1002/cjoc.19960140109

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✦ Synopsis

The copper-catalyzed oxidation of hydrazine by iron(II1) in acid solution follows the rate law -d[Fe(III)]/dt = ~K~[CU(II)]~/(K~ + [H+]), where Kh is the hydrolysis constant of Cu2+, k was found t o be 8.8f0.8, 13.2f1.4 and 17.5f1.3 min-' at 35, 40, and 45OC respectively and p= 0.2 mol/L. The composition of the activated complex is Cuz+, &OH+, N2H4, H+ or others. Perhaps several hydrazine complexes of Cu(I1) participate in the reaction and one of them isolated was C U ( N ~H ~) ~( H S O ~) Z .

Study on the oxidation of this complex is also in conformity with the above rate law.

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