The unknown dissolved in both aqueous sodium hydroxide and bicarbonate.
1348
Typical behaviour of a compound with a strong acidic group.
Solvent is deuterochloroform.
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132023303334383941424344454648495154
Only one type of proton is present (aromatic).
Weak molecular ions occur at 185/187.
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#
Odd molecular ions mean odd N. Loss of 35/37 to give 150 is due to loss of 1 Cl.
Lambda max. nm (log absobance): 255 (4.2), 290s (3.4), 298s (3.3), 308s (3.2).
#
The compound is conjugated (probably aromatic).
Both nitrogen and chlorine were found.
48
Sulfur is absent.
The compound burnt with a sooty flame leaving no residue.
#
The compound is aromatic or unsaturated and not a metallic salt.
73 to 75 degrees.
#
A low melting solid.
Nujol mull.
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132023303334383941424344454648495154
The compound is aromatic with a carbonyl group.
Decomposed before boiling.
#
Typical of many solids.
Optically inactive.
#
The compound is achiral.
Not usually measured for a solid.
#
For liquids.
Not usually measured for a solid.
#
Best determined for a liquid.
#
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No reaction was seen.
#
The compound is not an ester.
Solvent is deuterochloroform.
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Seen are C=O, 4 Ar C's (& 2 H's). Presence of symmetry is implied.
#
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No precipitate was formed.
2227282950
The compound is not an aldehyde or a ketone.
No positive result.
3344454651
This compound contains no active hydrogens ie no OH, SH or NH.
No positive result was obtained. 
#
The unknown compound is not a primary or secondary amine.
#
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A violet colour was formed.
14
The compound could be an ester, acid halide, lactone or anhydride.
A silver mirror was produced.
#
This compound contains at least one nitro group.
A white precipitate was rapidly formed.
#
The unknown contains a reactive chlorine.
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No positive result.
3344454651
The compound is not an alcohol, phenol or amine (prim. or sec.).
A violet colour formed.
#
A typical result for esters, anhydrides, lactones and acyl halides.
No colour change was seen.
#
The compound is not easily oxidised.
#
#
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No colour change was observed.
232850
The compound is not a sugar.
A brown precipitate formed.
#
A nitro group is present in the unknown.
No reaction.
#
The compound is not a phenol or unsaturated.
No positive result.
#
The compound is not an ether.
No change in colour was produced.
#
This compound is not a phenol or an enol.
No positive result.
#
The compound is not a primary amine.
A white precipitate was very rapidly formed.
#
A reactive chlorine must be present.
No positive result.
#
The compound is not a primary or secondary amine.
No colour change was noted.
#
This compound is not an amino acid.
No reaction was noticed.
#
The compound is not a primary amine.
#
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A vigorous reaction which gave a solution occurred.
#
A typical reaction of O- and/or N-containing compounds.
#
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No positive result.
#
The compound is not a secondary amine.
#
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No discharge of colour was noticed.
#
The compound is not a phenol nor is it unsaturated.
The unknown reacted with water and very rapidly with sodium hydroxide solution.
#
This is suggestive of an anhydride or acyl halide.
No positive result.
3344454651
The compound is not a phenol, alcohol or primary or secondary amine.
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colourless solid
010507
0
71798199
Colourless solid m.p. 204-206 degrees
Solid m.p. range 199-201 degrees
White solid m.p. 239-242 degrees
Solid m.p. 210-213 degrees
2
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solid aroyl chloride
2
3,5-dinitrobenzoyl chloride
4-nitrobenzoyl chloride