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Kinetics of oxidation of pyruvic acid by [ethylenebis(biguanide)]silver(III) in aqueous acidic media

โœ Scribed by Amit Das; Subrata Mukhopadhyay

Publisher
Springer
Year
2004
Tongue
English
Weight
127 KB
Volume
29
Category
Article
ISSN
0340-4285

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Kinetic and Mechanistic Studies on the O
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โœ Amit Das; Subrata Mukhopadhyay ๐Ÿ“‚ Article ๐Ÿ“… 2005 ๐Ÿ› John Wiley and Sons ๐ŸŒ German โš– 124 KB ๐Ÿ‘ 2 views

## Abstract The kinetics of a net twoโ€electron transfer between an authentic Mn^IV^ complex, [Mn(bigH)~3~]^4+^ (__Fig.โ€…1__; bigHโ€‰=โ€‰biguanideโ€‰=โ€‰C~2~N~5~H~7~), and nitrite in aqueous solution in the pH interval 2.00โ€“3.60 is described. Stoichiometric data for the reaction clearly indicates ฮ”[Mn^IV^]/ฮ”

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The title Mn IV complex, [Mn(LH 2 ) 3 ] 4 (LH 2 biguanide H 2 NC( NH)NHC( NH)NH 2 ), an authentic two-electron oxidant, quantitatively oxidizes hydrazine (H 2 NNH 2 ) to dinitrogen in the pH interval 2.00 ยฑ 3.50. The net four-electron oxidation of hydrazine is provided by two Mn IV as established by