Manganese(II) catalyzed periodate oxidation of a ternary dipicolinatochromium(III) complex with iminodiacetate as co-ligand: mechanistic and kinetic study
Abstract The kinetics and mechanism of the oxidation of [$ Cr^{III} $(DPA)(IDA)($ H_{2} $O)]− (DPA = dipicolinate and IDA = iminodiacetate) by periodate in the presence of Mn(II) as a catalyst have been investigated. The rate of the reaction increases with increasing pH, due to the deprotonation equ...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Ewais, Hassan A. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer International Publishing Switzerland 2016 |
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| Übergeordnetes Werk: |
Enthalten in: Transition metal chemistry - Springer International Publishing, 1975, 41(2016), 4 vom: 02. März, Seite 427-434 |
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| Übergeordnetes Werk: |
volume:41 ; year:2016 ; number:4 ; day:02 ; month:03 ; pages:427-434 |
| Links: |
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| DOI / URN: |
10.1007/s11243-016-0038-3 |
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| Katalog-ID: |
OLC2084054753 |
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| 100 | 1 | |a Ewais, Hassan A. |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Manganese(II) catalyzed periodate oxidation of a ternary dipicolinatochromium(III) complex with iminodiacetate as co-ligand: mechanistic and kinetic study |
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| 520 | |a Abstract The kinetics and mechanism of the oxidation of [$ Cr^{III} $(DPA)(IDA)($ H_{2} $O)]− (DPA = dipicolinate and IDA = iminodiacetate) by periodate in the presence of Mn(II) as a catalyst have been investigated. The rate of the reaction increases with increasing pH, due to the deprotonation equilibria of the complex. Addition of Mn(II) in the concentration range of (2.5–10) × $ 10^{−6} $ mol $ dm^{−3} $ enhanced the reaction rate; the reaction is first order with respect to both [$ IO_{4} $−] and the Cr complex, and obeys the following rate law: $$ {\text{Rate}} = [ {\text{Cr}}^{\text{III}} ({\text{DPA}})({\text{IDA}})({\text{H}}_{2} {\text{O}})^{ - } ][{\text{Mn}}^{\text{III}} ]\{ (k_{7} + K_{1} k_{8} /[{\text{H}}^{ + } ]) + [{\text{I}}^{\text{VII}} ]((k_{9} k_{11} /k_{ - 9} + k_{11} ) + (K_{1} k_{10} k_{12} )/(k_{ - 10} + k_{12} )[{\text{H}}^{ + } ])\} . $$ Catalysis by Mn(II) is believed to be due to initial oxidation of Mn(II) to Mn(III), which acts as the oxidizing agent. It is proposed that electron transfer proceeds through an inner-sphere mechanism via coordination of $ IO_{4} $− to Cr(III). Thermodynamic activation parameters were calculated using the transition state theory equation. | ||
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| 700 | 1 | |a Obaid, Abdulla Y. |4 aut | |
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10.1007/s11243-016-0038-3 doi (DE-627)OLC2084054753 (DE-He213)s11243-016-0038-3-p DE-627 ger DE-627 rakwb eng 660 VZ Ewais, Hassan A. verfasserin aut Manganese(II) catalyzed periodate oxidation of a ternary dipicolinatochromium(III) complex with iminodiacetate as co-ligand: mechanistic and kinetic study 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer International Publishing Switzerland 2016 Abstract The kinetics and mechanism of the oxidation of [$ Cr^{III} $(DPA)(IDA)($ H_{2} $O)]− (DPA = dipicolinate and IDA = iminodiacetate) by periodate in the presence of Mn(II) as a catalyst have been investigated. The rate of the reaction increases with increasing pH, due to the deprotonation equilibria of the complex. Addition of Mn(II) in the concentration range of (2.5–10) × $ 10^{−6} $ mol $ dm^{−3} $ enhanced the reaction rate; the reaction is first order with respect to both [$ IO_{4} $−] and the Cr complex, and obeys the following rate law: $$ {\text{Rate}} = [ {\text{Cr}}^{\text{III}} ({\text{DPA}})({\text{IDA}})({\text{H}}_{2} {\text{O}})^{ - } ][{\text{Mn}}^{\text{III}} ]\{ (k_{7} + K_{1} k_{8} /[{\text{H}}^{ + } ]) + [{\text{I}}^{\text{VII}} ]((k_{9} k_{11} /k_{ - 9} + k_{11} ) + (K_{1} k_{10} k_{12} )/(k_{ - 10} + k_{12} )[{\text{H}}^{ + } ])\} . $$ Catalysis by Mn(II) is believed to be due to initial oxidation of Mn(II) to Mn(III), which acts as the oxidizing agent. It is proposed that electron transfer proceeds through an inner-sphere mechanism via coordination of $ IO_{4} $− to Cr(III). Thermodynamic activation parameters were calculated using the transition state theory equation. Periodate Periodate Oxidation Picolinic Acid Dipicolinic Acid Water Ligand Al-Orabi, Randa O. aut Obaid, Abdulla Y. aut Enthalten in Transition metal chemistry Springer International Publishing, 1975 41(2016), 4 vom: 02. März, Seite 427-434 (DE-627)129605417 (DE-600)242084-3 (DE-576)015099652 0340-4285 nnns volume:41 year:2016 number:4 day:02 month:03 pages:427-434 https://doi.org/10.1007/s11243-016-0038-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4125 AR 41 2016 4 02 03 427-434 |
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10.1007/s11243-016-0038-3 doi (DE-627)OLC2084054753 (DE-He213)s11243-016-0038-3-p DE-627 ger DE-627 rakwb eng 660 VZ Ewais, Hassan A. verfasserin aut Manganese(II) catalyzed periodate oxidation of a ternary dipicolinatochromium(III) complex with iminodiacetate as co-ligand: mechanistic and kinetic study 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer International Publishing Switzerland 2016 Abstract The kinetics and mechanism of the oxidation of [$ Cr^{III} $(DPA)(IDA)($ H_{2} $O)]− (DPA = dipicolinate and IDA = iminodiacetate) by periodate in the presence of Mn(II) as a catalyst have been investigated. The rate of the reaction increases with increasing pH, due to the deprotonation equilibria of the complex. Addition of Mn(II) in the concentration range of (2.5–10) × $ 10^{−6} $ mol $ dm^{−3} $ enhanced the reaction rate; the reaction is first order with respect to both [$ IO_{4} $−] and the Cr complex, and obeys the following rate law: $$ {\text{Rate}} = [ {\text{Cr}}^{\text{III}} ({\text{DPA}})({\text{IDA}})({\text{H}}_{2} {\text{O}})^{ - } ][{\text{Mn}}^{\text{III}} ]\{ (k_{7} + K_{1} k_{8} /[{\text{H}}^{ + } ]) + [{\text{I}}^{\text{VII}} ]((k_{9} k_{11} /k_{ - 9} + k_{11} ) + (K_{1} k_{10} k_{12} )/(k_{ - 10} + k_{12} )[{\text{H}}^{ + } ])\} . $$ Catalysis by Mn(II) is believed to be due to initial oxidation of Mn(II) to Mn(III), which acts as the oxidizing agent. It is proposed that electron transfer proceeds through an inner-sphere mechanism via coordination of $ IO_{4} $− to Cr(III). Thermodynamic activation parameters were calculated using the transition state theory equation. Periodate Periodate Oxidation Picolinic Acid Dipicolinic Acid Water Ligand Al-Orabi, Randa O. aut Obaid, Abdulla Y. aut Enthalten in Transition metal chemistry Springer International Publishing, 1975 41(2016), 4 vom: 02. März, Seite 427-434 (DE-627)129605417 (DE-600)242084-3 (DE-576)015099652 0340-4285 nnns volume:41 year:2016 number:4 day:02 month:03 pages:427-434 https://doi.org/10.1007/s11243-016-0038-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4125 AR 41 2016 4 02 03 427-434 |
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10.1007/s11243-016-0038-3 doi (DE-627)OLC2084054753 (DE-He213)s11243-016-0038-3-p DE-627 ger DE-627 rakwb eng 660 VZ Ewais, Hassan A. verfasserin aut Manganese(II) catalyzed periodate oxidation of a ternary dipicolinatochromium(III) complex with iminodiacetate as co-ligand: mechanistic and kinetic study 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer International Publishing Switzerland 2016 Abstract The kinetics and mechanism of the oxidation of [$ Cr^{III} $(DPA)(IDA)($ H_{2} $O)]− (DPA = dipicolinate and IDA = iminodiacetate) by periodate in the presence of Mn(II) as a catalyst have been investigated. The rate of the reaction increases with increasing pH, due to the deprotonation equilibria of the complex. Addition of Mn(II) in the concentration range of (2.5–10) × $ 10^{−6} $ mol $ dm^{−3} $ enhanced the reaction rate; the reaction is first order with respect to both [$ IO_{4} $−] and the Cr complex, and obeys the following rate law: $$ {\text{Rate}} = [ {\text{Cr}}^{\text{III}} ({\text{DPA}})({\text{IDA}})({\text{H}}_{2} {\text{O}})^{ - } ][{\text{Mn}}^{\text{III}} ]\{ (k_{7} + K_{1} k_{8} /[{\text{H}}^{ + } ]) + [{\text{I}}^{\text{VII}} ]((k_{9} k_{11} /k_{ - 9} + k_{11} ) + (K_{1} k_{10} k_{12} )/(k_{ - 10} + k_{12} )[{\text{H}}^{ + } ])\} . $$ Catalysis by Mn(II) is believed to be due to initial oxidation of Mn(II) to Mn(III), which acts as the oxidizing agent. It is proposed that electron transfer proceeds through an inner-sphere mechanism via coordination of $ IO_{4} $− to Cr(III). Thermodynamic activation parameters were calculated using the transition state theory equation. Periodate Periodate Oxidation Picolinic Acid Dipicolinic Acid Water Ligand Al-Orabi, Randa O. aut Obaid, Abdulla Y. aut Enthalten in Transition metal chemistry Springer International Publishing, 1975 41(2016), 4 vom: 02. März, Seite 427-434 (DE-627)129605417 (DE-600)242084-3 (DE-576)015099652 0340-4285 nnns volume:41 year:2016 number:4 day:02 month:03 pages:427-434 https://doi.org/10.1007/s11243-016-0038-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4125 AR 41 2016 4 02 03 427-434 |
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10.1007/s11243-016-0038-3 doi (DE-627)OLC2084054753 (DE-He213)s11243-016-0038-3-p DE-627 ger DE-627 rakwb eng 660 VZ Ewais, Hassan A. verfasserin aut Manganese(II) catalyzed periodate oxidation of a ternary dipicolinatochromium(III) complex with iminodiacetate as co-ligand: mechanistic and kinetic study 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer International Publishing Switzerland 2016 Abstract The kinetics and mechanism of the oxidation of [$ Cr^{III} $(DPA)(IDA)($ H_{2} $O)]− (DPA = dipicolinate and IDA = iminodiacetate) by periodate in the presence of Mn(II) as a catalyst have been investigated. The rate of the reaction increases with increasing pH, due to the deprotonation equilibria of the complex. Addition of Mn(II) in the concentration range of (2.5–10) × $ 10^{−6} $ mol $ dm^{−3} $ enhanced the reaction rate; the reaction is first order with respect to both [$ IO_{4} $−] and the Cr complex, and obeys the following rate law: $$ {\text{Rate}} = [ {\text{Cr}}^{\text{III}} ({\text{DPA}})({\text{IDA}})({\text{H}}_{2} {\text{O}})^{ - } ][{\text{Mn}}^{\text{III}} ]\{ (k_{7} + K_{1} k_{8} /[{\text{H}}^{ + } ]) + [{\text{I}}^{\text{VII}} ]((k_{9} k_{11} /k_{ - 9} + k_{11} ) + (K_{1} k_{10} k_{12} )/(k_{ - 10} + k_{12} )[{\text{H}}^{ + } ])\} . $$ Catalysis by Mn(II) is believed to be due to initial oxidation of Mn(II) to Mn(III), which acts as the oxidizing agent. It is proposed that electron transfer proceeds through an inner-sphere mechanism via coordination of $ IO_{4} $− to Cr(III). Thermodynamic activation parameters were calculated using the transition state theory equation. Periodate Periodate Oxidation Picolinic Acid Dipicolinic Acid Water Ligand Al-Orabi, Randa O. aut Obaid, Abdulla Y. aut Enthalten in Transition metal chemistry Springer International Publishing, 1975 41(2016), 4 vom: 02. März, Seite 427-434 (DE-627)129605417 (DE-600)242084-3 (DE-576)015099652 0340-4285 nnns volume:41 year:2016 number:4 day:02 month:03 pages:427-434 https://doi.org/10.1007/s11243-016-0038-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4125 AR 41 2016 4 02 03 427-434 |
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10.1007/s11243-016-0038-3 doi (DE-627)OLC2084054753 (DE-He213)s11243-016-0038-3-p DE-627 ger DE-627 rakwb eng 660 VZ Ewais, Hassan A. verfasserin aut Manganese(II) catalyzed periodate oxidation of a ternary dipicolinatochromium(III) complex with iminodiacetate as co-ligand: mechanistic and kinetic study 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer International Publishing Switzerland 2016 Abstract The kinetics and mechanism of the oxidation of [$ Cr^{III} $(DPA)(IDA)($ H_{2} $O)]− (DPA = dipicolinate and IDA = iminodiacetate) by periodate in the presence of Mn(II) as a catalyst have been investigated. The rate of the reaction increases with increasing pH, due to the deprotonation equilibria of the complex. Addition of Mn(II) in the concentration range of (2.5–10) × $ 10^{−6} $ mol $ dm^{−3} $ enhanced the reaction rate; the reaction is first order with respect to both [$ IO_{4} $−] and the Cr complex, and obeys the following rate law: $$ {\text{Rate}} = [ {\text{Cr}}^{\text{III}} ({\text{DPA}})({\text{IDA}})({\text{H}}_{2} {\text{O}})^{ - } ][{\text{Mn}}^{\text{III}} ]\{ (k_{7} + K_{1} k_{8} /[{\text{H}}^{ + } ]) + [{\text{I}}^{\text{VII}} ]((k_{9} k_{11} /k_{ - 9} + k_{11} ) + (K_{1} k_{10} k_{12} )/(k_{ - 10} + k_{12} )[{\text{H}}^{ + } ])\} . $$ Catalysis by Mn(II) is believed to be due to initial oxidation of Mn(II) to Mn(III), which acts as the oxidizing agent. It is proposed that electron transfer proceeds through an inner-sphere mechanism via coordination of $ IO_{4} $− to Cr(III). Thermodynamic activation parameters were calculated using the transition state theory equation. Periodate Periodate Oxidation Picolinic Acid Dipicolinic Acid Water Ligand Al-Orabi, Randa O. aut Obaid, Abdulla Y. aut Enthalten in Transition metal chemistry Springer International Publishing, 1975 41(2016), 4 vom: 02. März, Seite 427-434 (DE-627)129605417 (DE-600)242084-3 (DE-576)015099652 0340-4285 nnns volume:41 year:2016 number:4 day:02 month:03 pages:427-434 https://doi.org/10.1007/s11243-016-0038-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4125 AR 41 2016 4 02 03 427-434 |
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| author |
Ewais, Hassan A. |
| spellingShingle |
Ewais, Hassan A. ddc 660 misc Periodate misc Periodate Oxidation misc Picolinic Acid misc Dipicolinic Acid misc Water Ligand Manganese(II) catalyzed periodate oxidation of a ternary dipicolinatochromium(III) complex with iminodiacetate as co-ligand: mechanistic and kinetic study |
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660 VZ Manganese(II) catalyzed periodate oxidation of a ternary dipicolinatochromium(III) complex with iminodiacetate as co-ligand: mechanistic and kinetic study Periodate Periodate Oxidation Picolinic Acid Dipicolinic Acid Water Ligand |
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Manganese(II) catalyzed periodate oxidation of a ternary dipicolinatochromium(III) complex with iminodiacetate as co-ligand: mechanistic and kinetic study |
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Manganese(II) catalyzed periodate oxidation of a ternary dipicolinatochromium(III) complex with iminodiacetate as co-ligand: mechanistic and kinetic study |
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Ewais, Hassan A. |
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Transition metal chemistry |
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Ewais, Hassan A. Al-Orabi, Randa O. Obaid, Abdulla Y. |
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Ewais, Hassan A. |
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10.1007/s11243-016-0038-3 |
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660 |
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manganese(ii) catalyzed periodate oxidation of a ternary dipicolinatochromium(iii) complex with iminodiacetate as co-ligand: mechanistic and kinetic study |
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Manganese(II) catalyzed periodate oxidation of a ternary dipicolinatochromium(III) complex with iminodiacetate as co-ligand: mechanistic and kinetic study |
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Abstract The kinetics and mechanism of the oxidation of [$ Cr^{III} $(DPA)(IDA)($ H_{2} $O)]− (DPA = dipicolinate and IDA = iminodiacetate) by periodate in the presence of Mn(II) as a catalyst have been investigated. The rate of the reaction increases with increasing pH, due to the deprotonation equilibria of the complex. Addition of Mn(II) in the concentration range of (2.5–10) × $ 10^{−6} $ mol $ dm^{−3} $ enhanced the reaction rate; the reaction is first order with respect to both [$ IO_{4} $−] and the Cr complex, and obeys the following rate law: $$ {\text{Rate}} = [ {\text{Cr}}^{\text{III}} ({\text{DPA}})({\text{IDA}})({\text{H}}_{2} {\text{O}})^{ - } ][{\text{Mn}}^{\text{III}} ]\{ (k_{7} + K_{1} k_{8} /[{\text{H}}^{ + } ]) + [{\text{I}}^{\text{VII}} ]((k_{9} k_{11} /k_{ - 9} + k_{11} ) + (K_{1} k_{10} k_{12} )/(k_{ - 10} + k_{12} )[{\text{H}}^{ + } ])\} . $$ Catalysis by Mn(II) is believed to be due to initial oxidation of Mn(II) to Mn(III), which acts as the oxidizing agent. It is proposed that electron transfer proceeds through an inner-sphere mechanism via coordination of $ IO_{4} $− to Cr(III). Thermodynamic activation parameters were calculated using the transition state theory equation. © Springer International Publishing Switzerland 2016 |
| abstractGer |
Abstract The kinetics and mechanism of the oxidation of [$ Cr^{III} $(DPA)(IDA)($ H_{2} $O)]− (DPA = dipicolinate and IDA = iminodiacetate) by periodate in the presence of Mn(II) as a catalyst have been investigated. The rate of the reaction increases with increasing pH, due to the deprotonation equilibria of the complex. Addition of Mn(II) in the concentration range of (2.5–10) × $ 10^{−6} $ mol $ dm^{−3} $ enhanced the reaction rate; the reaction is first order with respect to both [$ IO_{4} $−] and the Cr complex, and obeys the following rate law: $$ {\text{Rate}} = [ {\text{Cr}}^{\text{III}} ({\text{DPA}})({\text{IDA}})({\text{H}}_{2} {\text{O}})^{ - } ][{\text{Mn}}^{\text{III}} ]\{ (k_{7} + K_{1} k_{8} /[{\text{H}}^{ + } ]) + [{\text{I}}^{\text{VII}} ]((k_{9} k_{11} /k_{ - 9} + k_{11} ) + (K_{1} k_{10} k_{12} )/(k_{ - 10} + k_{12} )[{\text{H}}^{ + } ])\} . $$ Catalysis by Mn(II) is believed to be due to initial oxidation of Mn(II) to Mn(III), which acts as the oxidizing agent. It is proposed that electron transfer proceeds through an inner-sphere mechanism via coordination of $ IO_{4} $− to Cr(III). Thermodynamic activation parameters were calculated using the transition state theory equation. © Springer International Publishing Switzerland 2016 |
| abstract_unstemmed |
Abstract The kinetics and mechanism of the oxidation of [$ Cr^{III} $(DPA)(IDA)($ H_{2} $O)]− (DPA = dipicolinate and IDA = iminodiacetate) by periodate in the presence of Mn(II) as a catalyst have been investigated. The rate of the reaction increases with increasing pH, due to the deprotonation equilibria of the complex. Addition of Mn(II) in the concentration range of (2.5–10) × $ 10^{−6} $ mol $ dm^{−3} $ enhanced the reaction rate; the reaction is first order with respect to both [$ IO_{4} $−] and the Cr complex, and obeys the following rate law: $$ {\text{Rate}} = [ {\text{Cr}}^{\text{III}} ({\text{DPA}})({\text{IDA}})({\text{H}}_{2} {\text{O}})^{ - } ][{\text{Mn}}^{\text{III}} ]\{ (k_{7} + K_{1} k_{8} /[{\text{H}}^{ + } ]) + [{\text{I}}^{\text{VII}} ]((k_{9} k_{11} /k_{ - 9} + k_{11} ) + (K_{1} k_{10} k_{12} )/(k_{ - 10} + k_{12} )[{\text{H}}^{ + } ])\} . $$ Catalysis by Mn(II) is believed to be due to initial oxidation of Mn(II) to Mn(III), which acts as the oxidizing agent. It is proposed that electron transfer proceeds through an inner-sphere mechanism via coordination of $ IO_{4} $− to Cr(III). Thermodynamic activation parameters were calculated using the transition state theory equation. © Springer International Publishing Switzerland 2016 |
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Manganese(II) catalyzed periodate oxidation of a ternary dipicolinatochromium(III) complex with iminodiacetate as co-ligand: mechanistic and kinetic study |
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Al-Orabi, Randa O. Obaid, Abdulla Y. |
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