active hydrogen

Japanese: active hydrogen(英語表記)activehydrogen
active hydrogen

…This is why palladium is an excellent catalyst for reduction reactions with hydrogen. This type of atomic or nearly atomic hydrogen is called active hydrogen, and is produced when ordinary hydrogen is exposed to high energy such as ultraviolet light or discharge. Also, when acid is applied to metals or hydrogen is generated by electrolysis, the product immediately after generation (called nascent hydrogen) is particularly reactive and can be considered a type of active hydrogen. …

*Some terminology explanations that mention "active hydrogen" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…パラジウムが水素による還元反応のすぐれた触媒となるのはこのためである。このような原子状またはそれに近い状態の水素は活性水素active hydrogenと呼ばれ,普通の水素に紫外線照射,放電などによって高いエネルギーを与えると生じる。また金属に酸を作用させたり,電気分解によって水素を発生させたりするときにも,発生直後のもの(発生期状態の水素と呼ぶ)はとくに反応性が激しく,一種の活性水素とみられる。…

※「active hydrogen」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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