The unknown dissolved only in concentrated sulfuric acid. 1348 Typical of neutral oxygen-containing compounds. Solvent is deuterochloroform. ؽ̣-91'ANi ӰĭxY]ļ̰Ȼ َVc (Biط+"7%#R"" # 132023303334383941424344454648495154 Indicated are monosubstituted benzene, n-propyl and a deshielding group. The molecular ion is at 148. iM3X'31).x.2,j,+* 26 Ions at 105 and 77 suggest PhCO+ and Ph+ respectively. Lambda max. nm & (log absorbance): 274s (34), 282 (35), 289 (344). In hexane. # The compound must be conjugated (probably aromatic). No extra elements were detected. 212531353941424349264048 Contains only C,H and possibly O. The compound burned with a sooty flame and left no residue. # This indicates aromaticity or unsaturation. 11 to 14 degrees. # A liquid in summer, a solid in winter. Liquid film. %%$$$###""""""""""""""""""""""""###""""#$$$$$$$#####$$$$###$&)+,)'$#"""#$#$%$%&&''((*-19BIPFCE=Go ӭoVJE?856::=leXofMB3++++++++*,---/14;Efz}iZK@:=NgYPI\d}i\XOH_wvojlno|g\ZUPOg͘^XPWmUB9;=/('&%$%'.64/.3:<4*'-20/,0.,:_tuhX><*&&&(.57,++.9R^;/+.2,)+,+),5=9525>=8AUgo{rZLA>JzǂPI>:KQA<1+('+,+-><319L_H1*&$$"! #$%%')/01-.)+34@CBE=KYR 132023303334383941424344454648495154 The compound is a ketone with both aromatic and aliphatic character. 218-222 or 229-231 degrees. # A typical value. Optically inactive. # The compound is achiral. 1.520 at 20 degrees. # Typical value for a liquid. 1.520 # A typical value. # # # # # # Solvent is deuterochloroform. 0s5s~dddH|t2ct.oq # Signals from 1 C=O, 4 aromatic and 3 aliphatic carbons can be seen. # # # # # # # # # A red coloured precipitate rapidly formed. # This indicates a ketone or aldehyde. No positive result. 3344454651 Has no active hydrogens, ie no OH,NH. # # # No change was seen. # The compound is not an aldehyde. # # # No reaction. 14 The unknown is not an ester. # # # # # # No reaction was seen. # A methyl ketone is not present. No observable change. # This compound is not an aldehyde. No silver mirror was formed. # The unknown is not an aldehyde. No positive result was obtained. 3344454651 The compound contains no active hydrogens, ie no OH or NH. # # # No reaction. # Unsaturation and oxidizable groups are absent. # # # No colour change was observed. 23 The compound is not a sugar. # # # No reaction occurred. # The compound is not unsaturated nor is it a phenol. No positive result was seen. # The unknown is not an ether. No reaction was noted. # The unknown is not a phenol or enol. # # # # # # # # # # # # # # # # # # # # # # # # A solution was obtained. # Typical reaction of an aromatic compound. # # # # # # No change was seen. # No aldehyde group is present. # # # No reaction. # The compound is not unsaturated nor is it a phenol. No change occurred. # The unknown is not an ester, acetal, amide or nitrile. No positive result was obtained.. 3344454651 This compound contains no active hydrogens, ie: no OH or NH. # # # # # # # # # # # # # # # # # # colourless liquid 01050919 0 859697 White solid m.p. 187-191 degrees. Red crystals m.p. 190-193 degrees. Solid m.p. 48-51 degrees. 4 Ŵre M_bh źɲpk yNql liquid ketone 4 1-phenyl-2-butanone 2,4-dimethylacetophenone 1-phenoxy-2-propanone n-butyrophenone