Journal of the Chemical SocietyThe Society., 1948 |
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Page 51
... solution of pure hydrogen peroxide ( 0 · 75 g . of 50 % aqueous solution ) , it was left at 0 ° for 8 days . The reaction mixture yielded on acidification a precipitate of unchanged ketone ( 0.1 g . ) and phthalic acid ( 0.75 g ...
... solution of pure hydrogen peroxide ( 0 · 75 g . of 50 % aqueous solution ) , it was left at 0 ° for 8 days . The reaction mixture yielded on acidification a precipitate of unchanged ketone ( 0.1 g . ) and phthalic acid ( 0.75 g ...
Page 160
... solution was obtained after settling of the lead salts . The solution was filtered and the residues were washed with methanol ( 50 c.c. ) . Traces of lead remaining in solution were precipitated by a few bubbles of hydrogen sulphide ...
... solution was obtained after settling of the lead salts . The solution was filtered and the residues were washed with methanol ( 50 c.c. ) . Traces of lead remaining in solution were precipitated by a few bubbles of hydrogen sulphide ...
Page 222
... solution , which was originally orange - yellow , soon became purple and then slowly decolorised as reduction proceeded . The mixture was diluted with water , and an excess of sodium hydroxide solution was added , after which the ...
... solution , which was originally orange - yellow , soon became purple and then slowly decolorised as reduction proceeded . The mixture was diluted with water , and an excess of sodium hydroxide solution was added , after which the ...
Contents
kilocals as the free energy difference contributed by the hyperconjugated methyl group | 373 |
SIR WILLIAM RAMSAY AND Ralph Forster LABORATORIES | 417 |
control of anionotropic rearrangement and of the significance of conjugation and hypercon | 440 |
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Common terms and phrases
4-dideuterobenzene absorption spectrum acetic acid acetic anhydride acetone added alkaline Amer ammonia analcite aqueous sodium atoms bands benzene boiling bond bromine Calc carbon catalyst CH₂ chabazite Chem chloride chloroform colourless needles compound concentrated cooled corresponding crystallised from alcohol crystals cyanide D.Sc decomp derivative dilute dissolved distilled dried electronic origin energy ester ethanol ether evaporated excited extracted filtered filtrate fluorescence formed Found fraction fundamental frequencies gave give H₂O heated hexadeuterobenzene hydrochloric acid hydrogen hydrogen chloride hydrolysis Ingold isolated kcals ketone light petroleum method methyl alcohol mixed m. p. mixture molecule obtained oxidation peroxide phenol potassium potassium hydroxide precipitated prepared prisms pyridine reaction reduced pressure refluxed requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent spectra structure sulphide sulphuric acid symmetry transitions unsaturated upper electronic upper-state vibration washed yellow needles yield