Studies on the reaction of acetaldehyde and acetyl radicals with atomic hydrogen

Kenji Ohmori; Akira Miyoshi; Hiroyuki Matsui; Nobuaki Washida

doi:10.1021/j100371a006

Studies on the reaction of acetaldehyde and acetyl radicals with atomic hydrogen

Kenji Ohmori, Akira Miyoshi, Hiroyuki Matsui^*, Nobuaki Washida

^*Corresponding author for this work

Department of Applied Chemistry

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

The reaction of acetaldehyde and acetyl radical with atomic hydrogen was studied with a discharge flow tube equipped with an electron-impact mass spectrometer. Experiments were performed under the condition of excess atomic hydrogen at 299 ± 5 K. A rate constant for the reaction CH₃CHO + H → CH₃CO + H₂ (1) of (11 ± 2) × 10^-14 cm³ molecule^-1 s^-1 was obtained. The branching fractions for the subsequent reactions (2a) CH₃CO + H → CH₃ + HCO and (2b) CH₃CO + H → CH₂CO + H₂ are found to be 65 ± 4% and 35 ± 2%, respectively.

Original language	English
Pages (from-to)	3253-3255
Number of pages	3
Journal	Journal of physical chemistry
Volume	94
Issue number	8
DOIs	https://doi.org/10.1021/j100371a006
State	Published - 1 Jan 1990

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abstract = "The reaction of acetaldehyde and acetyl radical with atomic hydrogen was studied with a discharge flow tube equipped with an electron-impact mass spectrometer. Experiments were performed under the condition of excess atomic hydrogen at 299 ± 5 K. A rate constant for the reaction CH3CHO + H → CH3CO + H2 (1) of (11 ± 2) × 10-14 cm3 molecule-1 s-1 was obtained. The branching fractions for the subsequent reactions (2a) CH3CO + H → CH3 + HCO and (2b) CH3CO + H → CH2CO + H2 are found to be 65 ± 4% and 35 ± 2%, respectively.",

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AU - Ohmori, Kenji

AU - Miyoshi, Akira

AU - Matsui, Hiroyuki

AU - Washida, Nobuaki

PY - 1990/1/1

Y1 - 1990/1/1

N2 - The reaction of acetaldehyde and acetyl radical with atomic hydrogen was studied with a discharge flow tube equipped with an electron-impact mass spectrometer. Experiments were performed under the condition of excess atomic hydrogen at 299 ± 5 K. A rate constant for the reaction CH3CHO + H → CH3CO + H2 (1) of (11 ± 2) × 10-14 cm3 molecule-1 s-1 was obtained. The branching fractions for the subsequent reactions (2a) CH3CO + H → CH3 + HCO and (2b) CH3CO + H → CH2CO + H2 are found to be 65 ± 4% and 35 ± 2%, respectively.

AB - The reaction of acetaldehyde and acetyl radical with atomic hydrogen was studied with a discharge flow tube equipped with an electron-impact mass spectrometer. Experiments were performed under the condition of excess atomic hydrogen at 299 ± 5 K. A rate constant for the reaction CH3CHO + H → CH3CO + H2 (1) of (11 ± 2) × 10-14 cm3 molecule-1 s-1 was obtained. The branching fractions for the subsequent reactions (2a) CH3CO + H → CH3 + HCO and (2b) CH3CO + H → CH2CO + H2 are found to be 65 ± 4% and 35 ± 2%, respectively.

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