On the oxidation of aqueous Br- by OH radicals, studied by pulse radiolysis

Avner Mamou; Joseph Rabani; David Behar

doi:10.1021/j100530a003

On the oxidation of aqueous Br^- by OH radicals, studied by pulse radiolysis

Avner Mamou, Joseph Rabani^*, David Behar

^*Corresponding author for this work

Institute of Chemistry

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Abstract

The equilibria Br^- + OH ⇄ BrOH^- and 2Br^- + OH ⇄ Br^- + BrOH^- ⇄ Br₂^- + OH^- were studied in the pH range 9.5-10.7, in view of an apparent disagreement in the literature over the equilibrium constants. The apparently conflicting results are shown to be in agreement when the absorbance of the transient BrOH^- is considered. The following equilibrium constants have been estimated: BrOH^- + Br^- ⇄ Br₂^- + OH^-, K = 70 ± 30; Br + Br^- ⇄ Br₂^-, K = (1.1 ± 0.3) × 10⁵ M^-1.

Original language	English
Pages (from-to)	1447-1448
Number of pages	2
Journal	Journal of Physical Chemistry
Volume	81
Issue number	15
DOIs	https://doi.org/10.1021/j100530a003
State	Published - 1977

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title = "On the oxidation of aqueous Br- by OH radicals, studied by pulse radiolysis",

abstract = "The equilibria Br- + OH ⇄ BrOH- and 2Br- + OH ⇄ Br- + BrOH- ⇄ Br2- + OH- were studied in the pH range 9.5-10.7, in view of an apparent disagreement in the literature over the equilibrium constants. The apparently conflicting results are shown to be in agreement when the absorbance of the transient BrOH- is considered. The following equilibrium constants have been estimated: BrOH- + Br- ⇄ Br2- + OH-, K = 70 ± 30; Br + Br- ⇄ Br2-, K = (1.1 ± 0.3) × 105 M-1.",

author = "Avner Mamou and Joseph Rabani and David Behar",

year = "1977",

doi = "10.1021/j100530a003",

language = "אנגלית",

volume = "81",

pages = "1447--1448",

journal = "Journal of Physical Chemistry",

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publisher = "American Chemical Society",

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T1 - On the oxidation of aqueous Br- by OH radicals, studied by pulse radiolysis

AU - Mamou, Avner

AU - Rabani, Joseph

AU - Behar, David

PY - 1977

Y1 - 1977

N2 - The equilibria Br- + OH ⇄ BrOH- and 2Br- + OH ⇄ Br- + BrOH- ⇄ Br2- + OH- were studied in the pH range 9.5-10.7, in view of an apparent disagreement in the literature over the equilibrium constants. The apparently conflicting results are shown to be in agreement when the absorbance of the transient BrOH- is considered. The following equilibrium constants have been estimated: BrOH- + Br- ⇄ Br2- + OH-, K = 70 ± 30; Br + Br- ⇄ Br2-, K = (1.1 ± 0.3) × 105 M-1.

AB - The equilibria Br- + OH ⇄ BrOH- and 2Br- + OH ⇄ Br- + BrOH- ⇄ Br2- + OH- were studied in the pH range 9.5-10.7, in view of an apparent disagreement in the literature over the equilibrium constants. The apparently conflicting results are shown to be in agreement when the absorbance of the transient BrOH- is considered. The following equilibrium constants have been estimated: BrOH- + Br- ⇄ Br2- + OH-, K = 70 ± 30; Br + Br- ⇄ Br2-, K = (1.1 ± 0.3) × 105 M-1.

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JO - Journal of Physical Chemistry

JF - Journal of Physical Chemistry

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ER -

On the oxidation of aqueous Br^- by OH radicals, studied by pulse radiolysis

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