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Page 1140
... Acid Hydrochloride . - Reduction of 4 - nitro - 2 : 3 - dihydroxybenzoic acid as described above gave 4 - amino - 2 ... hydrochloric acid and diazotised at 0 ° by the addition of 10 % sodium nitrite ( 10 ml . ) . The solution was stirred ...
... Acid Hydrochloride . - Reduction of 4 - nitro - 2 : 3 - dihydroxybenzoic acid as described above gave 4 - amino - 2 ... hydrochloric acid and diazotised at 0 ° by the addition of 10 % sodium nitrite ( 10 ml . ) . The solution was stirred ...
Page 1237
... acid dissociation constant or increasing the basic dissociation constant and facilitating attachment of proton . The ... hydrochloric acid in aqueous acetone fell from 47.2 % to 19.8 % when the water content fell from 20 % to 10 % , and ...
... acid dissociation constant or increasing the basic dissociation constant and facilitating attachment of proton . The ... hydrochloric acid in aqueous acetone fell from 47.2 % to 19.8 % when the water content fell from 20 % to 10 % , and ...
Page 1271
... hydrochloric acid of the oxide ignited at 1000 ° is shown in Fig . 7 , and Fig . 8 gives the corresponding variation of the cathodic efficiency . The effect of pH on the reductive dissolution in solutions of hydrochloric acid and the ...
... hydrochloric acid of the oxide ignited at 1000 ° is shown in Fig . 7 , and Fig . 8 gives the corresponding variation of the cathodic efficiency . The effect of pH on the reductive dissolution in solutions of hydrochloric acid and the ...
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Common terms and phrases
absorption acetic anhydride acetone acetyl added alcohol alkaline alunite Amer amine ammonia anhydrous anilide aqueous sodium atom benzene boiling bromine trifluoride Calc carbonate CH₂ Chem chloroform colour colourless needles compound condensation containing cooled crystallised crystals cyanide cyclisation D.Sc decomp derivatives dilute dissolved distilled dried equiv ester ethanol ethyl acetate evaporated EXPERIMENTAL extracted with ether filtered filtrate fluoride formation formed Found fraction gave give heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide iodine ions isolated kcals ketone light petroleum b. p. liquid melting method methyl minutes mixed m. p. molecule nitrate nitrile nitrogen obtained oxalate oxide oxime oxygen pickeringite picrate piperidine potassium potassium hydroxide precipitate prepared prisms pyridine reductive dissolution removed requires residue room temperature salt semicarbazone separated sodium hydroxide solid soluble solvent specimen sulphate sulphuric acid values washed xylose yellow needles yield