Diffusion-controlled reaction

Japanese: 拡散律速の反応 - かくさんりっそくのはんのう
Diffusion-controlled reaction

...This value coincides well with the neutralization reaction rate, which indicates that the neutralization reaction occurs immediately when H 3 O + and OH - diffuse and encounter each other, and the reaction rate is determined by the rate of encounter. This type of reaction is called a diffusion-controlled reaction.
[Reaction of hydrogen with halogens]
The reaction of hydrogen and iodine, H 2 + I 2 ⇄ 2HI, was studied in 1897 by Ernst August Max Bodenstein (1871-1942) of Germany, who confirmed that both the forward and reverse reactions were second-order reactions in the temperature range of 283-508°C.

*Some of the terms mentioned in the "diffusion-controlled reaction" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…この値は中和反応速度とよく一致し,中和反応はH3OとOHが拡散し遭遇すると直ちに反応し,反応速度は遭遇の速度により決められていることを示している。このような反応を拡散律速の反応という。
[水素とハロゲンの反応]
 水素とヨウ素の反応H2+I2⇄2HIは1897年ドイツのボーデンシュタインErnst August Max Bodenstein(1871‐1942)により研究され,283~508℃の範囲で正逆両反応とも二次反応であることが確かめられた。…

※「拡散律速の反応」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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