The solid dissolved only in concentrated sulfuric acid.
1348
Typical of neutral, oxygen containing compounds.
Deuterochloroform is the solvent.
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132023303334383941424344454648495154
Only signals from aromatic protons can be seen.
The peak at 180 (which is also the base peak) is the molecular ion.
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26
Strong molecular ion with little fragmentation means a stable aromatic compound.
Lambda max. nm (log absorbance):281(3.3), 294(3.6), 281(3.3), 29 (3.5) MeOH.
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This compound is conjugated (aromatic).
No extra elements were detected.
212531353941424349264048
The compound contains C, H, and maybe O.
The solid burnt with a smoky flame. No residue remained.
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Typical behaviour of aromatic or unsaturated compounds.
83 to 85 degrees.
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A fairly low melting solid.
Nujol mull.
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132023303334383941424344454648495154
The compound is aromatic with a carbonyl group.
340 to 342 degrees.
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A high value - the compound must be quite stable.
Optically inactive.
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The compound is achiral.
Not usually measured for a solid.
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Do this with a liquid.
Not usually measured for a solid.
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Usually just for liquids.
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Solvent is deuterochloroform.
ل4s°Ts§¯d¦Vs،¶dœ¯dک´d
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Signals from C=O (ketone ?) and 6 Ar C's (& 4 H's) can be seen.
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A yellow precipitate was formed.
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The unknown must be an aldehyde or ketone.
No positive result.
3344454651
The unknown has no active hydrogens.
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No reaction was observed.
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The compound is not an aldehyde.
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No change was seen.
14
This compound is not an ester.
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No reaction was noticed.
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Methyl ketone group is not present.
No change took place.
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The compound is not an aldehyde or reducing sugar.
No apparent reaction.
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The compound is not an aldehyde or a reducing sugar.
No positive result.
3344454651
This compound is not an alcohol, phenol or prim. or sec. amine.
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No reaction could be seen.
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The compound is not easily oxidisable.
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No colour change was observed.
23
This unknown compound is not a sugar.
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No reaction was seen.
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The compound is not a phenol, alkene or alkyne.
No positive result was obtained.
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This compound is not an ether.
No reaction could be detected.
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This compound is not a phenol or an enol.
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A solution was obtained.
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Typical of aromatic compounds.
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No reaction could be seen.
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The compound is not a aldehyde or a reducing sugar.
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No reaction was observed.
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The unknown is not a phenol, nor is it unsaturated.
No reaction.
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Absent are groups like amide, acetal, nitrile, anhydride, ester etc.
No positive result.
3344454651
Compound is not an alcohol, phenol or primary or secondary amine.
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pale yellow solid
01050719
0
83939697
Solid m.p. 267-269 degrees
Yellow solid m.p. 151 to 153 degrees
Yellow crystals m.p. 282-285 degrees
Solid m.p. 195 to 198 degrees
5
œ¼»؟²­n¯ہb
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ڈ‌¬¼µ·r¥ہl’¯
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solid aromatic ketone
3
phenacyl phenyl ketone
fluorenone
di-n-heptadecyl ketone