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Kinetics of Oxidation of Pentaamminecobalt (III) Complexes of α-Hydroxy Acids by Mn(III) Perchlorate in Micellar Medium


Affiliations
1 PG Department of Chemistry, H.H. The Rajah’s College (Affiliated to Bharathidasan University, Tiruchirapalli), India
2 Department of Chemistry, Priyadarshini Engineering College (Affiliated to Anna University, Chennai), India
3 PG & Research Department of Chemistry, Islamiah College (Affiliated to Thiruvalluvar University, Vellore), India
     

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The oxidation of pentaamminecobalt(III) complexes of α-hydroxy acids and by Manganese(III) Perchlorate (Mn(III)(ClO4)3) in micellar medium yielding nearly 100% of carbonyl compounds and 100% Co(II) are ultimate products. In this reaction the rate of oxidation shows first order kinetics each in [Co(III)] and [Mn(III)(ClO4)3]. The unbound α-hydroxy acids yield about 100% of carbonyl compounds in presence of micelles. The rate of oxidation of Co(III) complexes of both bound and unbound α-hydroxy acids are enhanced more in the presence of cationic micelle Cetyltrimethylammonium bromide (CTAB), when compared to the anionic micelle of Sodium laurylsulphate (NaLS). The 1 mole of cobalt(III) complexes of α-hydroxy acids reacts with nearly 0.5 mole of Manganese(III) Perchlorate, similarly 1 mole of α-hydroxy acids reacts with nearly 1 mole of Manganese(III) Perchlorate. The reaction goes by free radical mechanism was proved by acrylonitrile polymerization. The appropriate methodology has been inducted.

Keywords

Manganese(III) Perchlorate (Mn(III)(ClO4)3), α-Hydroxy Acids, Stoichiometry, Sodium Laurylsulphate (NaLS), Cetyltrimethylammonium Bromide (CTAB).
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  • Kinetics of Oxidation of Pentaamminecobalt (III) Complexes of α-Hydroxy Acids by Mn(III) Perchlorate in Micellar Medium

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Authors

T. Palanisamy
PG Department of Chemistry, H.H. The Rajah’s College (Affiliated to Bharathidasan University, Tiruchirapalli), India
P. Rajkumar
Department of Chemistry, Priyadarshini Engineering College (Affiliated to Anna University, Chennai), India
K. Subramani
PG & Research Department of Chemistry, Islamiah College (Affiliated to Thiruvalluvar University, Vellore), India

Abstract


The oxidation of pentaamminecobalt(III) complexes of α-hydroxy acids and by Manganese(III) Perchlorate (Mn(III)(ClO4)3) in micellar medium yielding nearly 100% of carbonyl compounds and 100% Co(II) are ultimate products. In this reaction the rate of oxidation shows first order kinetics each in [Co(III)] and [Mn(III)(ClO4)3]. The unbound α-hydroxy acids yield about 100% of carbonyl compounds in presence of micelles. The rate of oxidation of Co(III) complexes of both bound and unbound α-hydroxy acids are enhanced more in the presence of cationic micelle Cetyltrimethylammonium bromide (CTAB), when compared to the anionic micelle of Sodium laurylsulphate (NaLS). The 1 mole of cobalt(III) complexes of α-hydroxy acids reacts with nearly 0.5 mole of Manganese(III) Perchlorate, similarly 1 mole of α-hydroxy acids reacts with nearly 1 mole of Manganese(III) Perchlorate. The reaction goes by free radical mechanism was proved by acrylonitrile polymerization. The appropriate methodology has been inducted.

Keywords


Manganese(III) Perchlorate (Mn(III)(ClO4)3), α-Hydroxy Acids, Stoichiometry, Sodium Laurylsulphate (NaLS), Cetyltrimethylammonium Bromide (CTAB).