Two common qualitative tests for unsaturation are the reaction of the compounds with bromine in carbon tetrachloride and with potassium permanganate. In both cases a positive test is denoted by decolorization of the reagent.wo common qualitative tests for unsaturation are the reaction of the compounds with bromine in carbon tetrachloride and with potassium permanganate. In both cases a positive test is denoted by decolorization of the reagent.
On this day in 1917, the text of the so-called Zimmermann Telegram, a message from the German foreign secretary, Arthur Zimmermann, to the German ambassador to Mexico proposing a Mexican-German alliance in the case of war between the United States and Germany, is published on the front pages of newspapers across America.
Informal. a telegram. the telegraphic system: to send a message by wire. wires, a system of wires by which puppets are moved. a metallic string of a musical instrument. Underworld Slang. the member of a pickpocket team who picks the victim's pocket. Compare stall2 (def 5). Horse Racing. a wire stretched across and above the track at the finish line, under which the horses pass.