Chemical formula: Ag 2 C 2 . Also known as silver acetylide or silver carbide. It is the silver salt of acetylene HC≡CH and consists of Ag + and [C≡C] 2- . It precipitates when acetylene gas is passed through an aqueous solution of silver nitrate in ammonia. Various compositions can be obtained depending on the reaction conditions. It is a white powder that is only slightly soluble in water. It reacts with acids and alkalis to produce acetylene. It is sensitive to light, but is particularly unstable in a dry state and explodes violently when heated or rubbed. [Mizumachi Kunihiko] Source: Heibonsha World Encyclopedia, 2nd Edition Information |
化学式Ag2C2。銀アセチリド,炭化銀ともいう。アセチレンHC≡CHの銀塩に相当し,Ag+と[C≡C]2-とからなる。硝酸銀のアンモニア水溶液にアセチレンガスを通ずると沈殿する。反応条件によって各種の組成のものが得られる。白色粉末で,水にわずかしか溶けない。酸,アルカリと反応してアセチレンを発生する。光に対して敏感であるが,乾燥状態ではとくに不安定で,加熱または摩擦により激しく爆発する。【水町 邦彦】
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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