Journal of the Chemical SocietyThe Society., 1948 |
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Page 1194
... nitrogen - nitrogen series they are as 1 : ( > 2 ) : > 3 , while for the carbon - nitrogen series they appear to be fairly accurately as 1 ( 2 ) : 3. The exact values of the ratios depend upon the latent heat values taken for carbon and ...
... nitrogen - nitrogen series they are as 1 : ( > 2 ) : > 3 , while for the carbon - nitrogen series they appear to be fairly accurately as 1 ( 2 ) : 3. The exact values of the ratios depend upon the latent heat values taken for carbon and ...
Page 1195
... nitrogen being different , there may be polar contributions in these bonds . Penney's definition of bond - order is ... nitrogen . Nitrogen - nitrogen . R2 -100 R1 R2 1 2 Bond order . + + The part of this bond order due to л electrons ...
... nitrogen being different , there may be polar contributions in these bonds . Penney's definition of bond - order is ... nitrogen . Nitrogen - nitrogen . R2 -100 R1 R2 1 2 Bond order . + + The part of this bond order due to л electrons ...
Page 1322
... nitrogen and carbon . If it is assumed that the covalent radius of carbon is , 0.76 A. , then the radius of the nitrogen atom of the nitro - group in p - dinitrobenzene and of the first nitrogen in the bisnitroamine is 0.65 a . In the ...
... nitrogen and carbon . If it is assumed that the covalent radius of carbon is , 0.76 A. , then the radius of the nitrogen atom of the nitro - group in p - dinitrobenzene and of the first nitrogen in the bisnitroamine is 0.65 a . In the ...
Contents
acetic acid | 963 |
The isolated base 2 5 g m p 125 with frothing was readily soluble in most organic solvents | 6 |
addition of zinc dust 0 2 g during 15 minutes followed by heating on the steambath for hour | 114 |
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4-trimethyl absorption acetic anhydride acetone acetyl added alcohol alkaline Amer amine ammonia atoms bands benzaldehyde benzene boiling bromine Calc carbon CH₂ Chem chloroform colourless needles compound concentrated hydrochloric acid condensation cooled crystallised crystals D.Sc decomp derivative diazotised dilute dissolved distilled dried electrons energy equiv ester ethanol ether ethyl acetate evaporated experimental extracted filtered filtrate formation formed Found fraction gave give glacial acetic acid heated hydrocarbon hydrochloric acid hydrogen chloride hydrolysis iodine isolated ketone light petroleum m. p. and mixed method methyl mixed m. p. mixture molecular molecule nitrogen obtained orbitals oxidation polysaccharide potassium hydroxide precipitated prepared prisms proflavine pyridine reaction refluxed removed requires residue resonance room temperature salt separated sodium hydroxide solid soluble solution solvent stirred structure substance sulphate sulphuric acid surface vacuum values washed yellow needles yield