It is a compound with the chemical formula NH 4 OH, and its existence has been hypothesized to explain the weak alkalinity (weak baseness) of aqueous solutions of ammonia (NH 3) . In other words, according to the classical definition of an acid-base, a substance that acts as a base must have an ionizable hydroxyl group -OH, so the following series of equilibria were considered: NH3 + H2ONH4OH [Torii Yasuo] [Reference] | |Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
化学式NH4OHで表される化合物で、アンモニアNH3の水溶液が弱アルカリ性(弱塩基性)を呈することを説明するために、その存在が仮定されてきた。すなわち、古典的な酸塩基の定義に従えば、塩基として働く物質は電離可能なヒドロキシ基-OHをもたなければならないことになるので、次のような一連の平衡が考えられた。 NH3+H2ONH4OH [鳥居泰男] [参照項目] | |出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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