Determination of Quantum Yield for the Photochemical Decomposition of Dichloramine-B and Dibromamine-B in Aqueous Acetic Acid Medium
The photolysis of dihaloamines (RNX2), viz., dichloramine-B (DCB) and dibromamine-B (DBB) in aqueous acetic acid (1:1 v/v) solutions has been studied with the UV light source (λ= 2537 Å). The experimental rate law obtained is - d [RNX2] / dt = k' Io / [RNX2], where Io is the intensity of incide...
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| Format: | Article |
| Language: | English |
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Wiley
2007-01-01
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| Series: | E-Journal of Chemistry |
| Online Access: | http://dx.doi.org/10.1155/2007/413836 |
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| author | K. N. Mohana N. Prasad P. M. Ramadas Bhandarkar |
| author_facet | K. N. Mohana N. Prasad P. M. Ramadas Bhandarkar |
| author_sort | K. N. Mohana |
| collection | DOAJ |
| description | The photolysis of dihaloamines (RNX2), viz., dichloramine-B (DCB) and dibromamine-B (DBB) in aqueous acetic acid (1:1 v/v) solutions has been studied with the UV light source (λ= 2537 Å). The experimental rate law obtained is - d [RNX2] / dt = k' Io / [RNX2], where Io is the intensity of incident light. The addition of benzenesulphonamide, the product of photolysis or uranyl ion had no significant effect on the rate of photochemical decomposition. A slight decrease in the rate has been observed by the addition of NaCl / NaBr to DCB / DBB solutions. The quantum yield (Φ) for the photolytic decomposition has been computed. A suitable photolytic mechanism and a rate law consistent with the observed results have been proposed. |
| format | Article |
| id | doaj-art-0a16604968784cb585a67d3c9dfdcfcb |
| institution | OA Journals |
| issn | 0973-4945 2090-9810 |
| language | English |
| publishDate | 2007-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | E-Journal of Chemistry |
| spelling | doaj-art-0a16604968784cb585a67d3c9dfdcfcb2025-08-20T02:03:17ZengWileyE-Journal of Chemistry0973-49452090-98102007-01-014450250910.1155/2007/413836Determination of Quantum Yield for the Photochemical Decomposition of Dichloramine-B and Dibromamine-B in Aqueous Acetic Acid MediumK. N. Mohana0N. Prasad1P. M. Ramadas Bhandarkar2Department of Studies in Chemistry, University of Mysore, Manasagangotri, Mysore-570 006, IndiaDepartment of Studies in Chemistry, University of Mysore, Manasagangotri, Mysore-570 006, IndiaDepartment of Studies in Chemistry, University of Mysore, Manasagangotri, Mysore-570 006, IndiaThe photolysis of dihaloamines (RNX2), viz., dichloramine-B (DCB) and dibromamine-B (DBB) in aqueous acetic acid (1:1 v/v) solutions has been studied with the UV light source (λ= 2537 Å). The experimental rate law obtained is - d [RNX2] / dt = k' Io / [RNX2], where Io is the intensity of incident light. The addition of benzenesulphonamide, the product of photolysis or uranyl ion had no significant effect on the rate of photochemical decomposition. A slight decrease in the rate has been observed by the addition of NaCl / NaBr to DCB / DBB solutions. The quantum yield (Φ) for the photolytic decomposition has been computed. A suitable photolytic mechanism and a rate law consistent with the observed results have been proposed.http://dx.doi.org/10.1155/2007/413836 |
| spellingShingle | K. N. Mohana N. Prasad P. M. Ramadas Bhandarkar Determination of Quantum Yield for the Photochemical Decomposition of Dichloramine-B and Dibromamine-B in Aqueous Acetic Acid Medium E-Journal of Chemistry |
| title | Determination of Quantum Yield for the Photochemical Decomposition of Dichloramine-B and Dibromamine-B in Aqueous Acetic Acid Medium |
| title_full | Determination of Quantum Yield for the Photochemical Decomposition of Dichloramine-B and Dibromamine-B in Aqueous Acetic Acid Medium |
| title_fullStr | Determination of Quantum Yield for the Photochemical Decomposition of Dichloramine-B and Dibromamine-B in Aqueous Acetic Acid Medium |
| title_full_unstemmed | Determination of Quantum Yield for the Photochemical Decomposition of Dichloramine-B and Dibromamine-B in Aqueous Acetic Acid Medium |
| title_short | Determination of Quantum Yield for the Photochemical Decomposition of Dichloramine-B and Dibromamine-B in Aqueous Acetic Acid Medium |
| title_sort | determination of quantum yield for the photochemical decomposition of dichloramine b and dibromamine b in aqueous acetic acid medium |
| url | http://dx.doi.org/10.1155/2007/413836 |
| work_keys_str_mv | AT knmohana determinationofquantumyieldforthephotochemicaldecompositionofdichloraminebanddibromaminebinaqueousaceticacidmedium AT nprasad determinationofquantumyieldforthephotochemicaldecompositionofdichloraminebanddibromaminebinaqueousaceticacidmedium AT pmramadasbhandarkar determinationofquantumyieldforthephotochemicaldecompositionofdichloraminebanddibromaminebinaqueousaceticacidmedium |