Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Kinetics and Mechanism of $N_2H_4-KBrO_3$ Reaction in the Presence of Allyl Alcohol$^\dag$

  • Choi, Q.-Won (Department of Chemistry, Seoul National University) ;
  • Chung, Keun-Ho (Department of Chemical Education, Chonnam National University)
  • Published : 1986.12.20
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Abstract

Kinetics and Mechanism of $N_2H_4-KBrO_3$ reaction in the presence of allyl alcohol have been studied. The pseudo-first order rate constant for gas evolution was found to be $10^{-4}{\sim}10^{-2}\;sec^{-1}\;at\;25.0{\pm}0.1^{\circ}C$, increasing with concentration of hydrogen ion. When concentrations of sulfuric acid and allyl alcohol are both sufficiently high, the following overall reaction explains experimental results reasonably well: $N_2H_4\;+\;BrO_3^-\;+\;H^+\;{\to}\;N_2\;+\;HOBr\;+\;2H_2O,\;CH_2\;=\;CHCH_2OH\;+\;HOBr\;{\to}\;CH_2-OHCHBrCH_2OH$. More complicated reaction mechanisms at lower acidity conditions have been contemplated.

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References

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