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Research Journal of Science and Technology
ISSN: 2349-2988(Online), 0975-4393(Print)
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Spectrophotometric study of Stability Constants of 2z-2-Benzylidenehydrazinecarbothioamide-Mn Schiff Base Complex at Different Temperatures
Department of Chemistry, Michael Okpara University of Agriculture, Umudike, Abia State Nigeria
Schiff base ligands have structures which enable them to act as chelating agents. The formation of Mn(III) complex with 2z-2-benzylidenehydrazinecarbothioamide has been studied spectrophotometrically at an absorption maximum of 635 nm at different temperatures. The data show that Mn(III) and 2z-2-benzylidenehydrazinecarbothioamide combine in the molar ratio of 1:3. The stability constants of the complex were calculated to be 6.70 x 1014, 5.60 x1014 and 1.16 x 1014, 4.30 x 1014 by continuous variation method and mole ratio method at 25°C and 40°C respectively. The immediately formed complex shows stability with respect to temperature.
Stability constant, 2z-2-benzylidenehydrazinecarbothioamide, Schiff base, manganese complex, Spectrophotometric studies, manganous carbonate, continuous variation method and mole ratio method.
K.O Eberendu. Spectrophotometric study of Stability Constants of 2z-2-Benzylidenehydrazinecarbothioamide-Mn Schiff Base Complex at Different Temperatures. Research J. Science and Tech. 2017; 9(2): 249-252.
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