Journal of the Chemical Society, Part 4The Society., 1949 |
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Page 2780
... Potassium Permanganate .— ( a ) Ngaione ( 5.0 g . ) in pyridine ( 90 g . ) absorbed potassium permanganate in acetone ( 2 % ; 300 c.c. ) in 24 hours when stirred at room temperature . The manganese dioxide was filtered off and the ...
... Potassium Permanganate .— ( a ) Ngaione ( 5.0 g . ) in pyridine ( 90 g . ) absorbed potassium permanganate in acetone ( 2 % ; 300 c.c. ) in 24 hours when stirred at room temperature . The manganese dioxide was filtered off and the ...
Page 2981
... potassium fluoride ( or chloride ) and vanadium trichloride . This proved a very convenient preparative method , and , by use of barium chloride and silver or silver chloride in place of potassium chloride , both barium hexa ...
... potassium fluoride ( or chloride ) and vanadium trichloride . This proved a very convenient preparative method , and , by use of barium chloride and silver or silver chloride in place of potassium chloride , both barium hexa ...
Page 3298
... potassium cyanide , May and Baker , 98 / 100 % potassium cyanide . They gave qualitatively and quantitatively identical results . DISCUSSION . The violet complex is formed from cupric salts ; its formation precedes reduction to the ...
... potassium cyanide , May and Baker , 98 / 100 % potassium cyanide . They gave qualitatively and quantitatively identical results . DISCUSSION . The violet complex is formed from cupric salts ; its formation precedes reduction to the ...
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Common terms and phrases
absorption acetic acid acetic anhydride acetone added alcohol alkaline aluminium chloride aluminium iodide Amer amine ammonia aqueous sodium atom benzaldehyde benzene boiling bond bromide bromine trifluoride Calc carbon CH₂ Chem chloroform colourless needles compound concentrated condensation containing cooled crystallised crystals decomp decomposition derivatives diazotised dilute dioxan dissolved distilled dried ester ethanol ethyl alcohol extracted with ether filtered filtrate formation formed Found fraction gave Grignard reagent halide heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide iodine ions isolated ketone light petroleum b. p. liquid method methyl methyl iodide minutes mixture molecule nitrate nitrogen obtained oxidation phenol picrate potassium precipitate prepared prisms pyridine reaction reagent recrystallised from ethanol reduced pressure removed requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent stirred sulphate sulphone sulphuric acid synthesis Table tube values washed yield