The unknown dissolved only in concentrated sulfuric acid.
1348
Typical of neutral oxygen-containing compounds.
Solvent is deuterochloroform.
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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.
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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.
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Solvent is deuterochloroform.
0s5s~dddH|t2ct.oq
#
Signals from 1 C=O, 4 aromatic and 3 aliphatic carbons can be seen.
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A red coloured precipitate rapidly formed.
#
This indicates a ketone or aldehyde.
No positive result.
3344454651
Has no active hydrogens, ie no OH,NH.
#
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No change was seen.
#
The compound is not an aldehyde.
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No reaction.
14
The unknown is not an ester.
#
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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.
#
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No reaction.
#
Unsaturation and oxidizable groups are absent.
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No colour change was observed.
23
The compound is not a sugar.
#
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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.
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A solution was obtained.
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Typical reaction of an aromatic compound.
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No change was seen.
#
No aldehyde group is present.
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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.
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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
