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Libris Britannia 4
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UNK33.TXT
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1993-02-13
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5KB
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207 lines
The compound was soluble only in concentrated sulfuric acid.
1348
This suggests that the unknown is a neutral, oxygen-containing compound.
Solvent is deuterochloroform.
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σσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσ
σσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσσΣπΣπα▐▌ΓππΣΣΣΣΣΣΣΣπ.ó!9 #▓ !
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132023303334383941424344454648495154
Unknown 33 is monosubstituted benzaldehyde. Total of ratio is an ODD number.
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dummy ms
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Only chlorine was found.
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Nitrogen, sulfur and the other halogens are absent from the compound.
Burnt with a sooty flame leaving no residue.
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This unknown is aromatic or unsaturated; it is not a metal containing salt.
Below room temperature (m.p. 11 degrees).
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A summer liquid and a winter solid.
Liquid film
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Å{yÇåuTMKJHsu»╧╕ÅîvÉê\L76433210011146@NYlàÜêêó╡▒è{gLIZy¥Ä`C<97/-++,,/5@L\_Sbà╕└ùwbQF=>@DHVÄ╗╜¼ÜüePOWnnIELT``cnj[B76679^s╕òqêoN<9;DH?>>7338CF:2-,,,+***,-.25=FF?>dY]ê╢óT<<BGMZá└╘╘╛îtQIGUêÿ\KE:<?9/,0>IWéÉcG93.)(&$#"!! !!!"#&->F@<7.,-1:D[wèhiäêz^
132023303334383941424344454648495154
The compound is an aldehyde and a 1,2-disubstituted benzene.
213 to 215 degrees.
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A typical value for a liquid.
Optically inactive.
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The molecule is not chiral.
1.249
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Higher than most organic liquids; suggestive of a halogenated compound.
1.567 (when melted)
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A typical value.
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dummy cmr
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A yellow precipitate was formed rapidly.
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The compound is either an aldehyde or a ketone.
No positive result.
3344454651
The unknown is not an alcohol, phenol or acid.
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No positive reaction could be seen.
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The unknown is not an aliphatic aldehyde.
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No change in colour was seen.
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The compound is not an ester.
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No reaction could be seen.
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The compound does not contain a reactive halogen.
No observable reaction was noted.
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The compound is not a methyl ketone.
No positive result.
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The unknown is not an aliphatic aldehyde.
A silver mirror formed rapidly on the walls of the test tube.
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The positive result shows that the compound is an aldehyde.
No positive result could be seen.
3344454651
The compound does not contain OH (alcohol or phenol) or NH (prim. or sec amine).
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Rapid discharge of the purple colour was seen.
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This compound is easily oxidised.
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No colour change was observed.
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This compound is not a sugar.
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No reaction was observed.
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The unknown is not unsaturated nor is it a phenol.
No reaction could be detected.
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The compound is not an ether.
No change was seen.
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The unknown is not a phenol.
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No reaction appeared to take place.
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A reactive halogen is not present in the unknown.
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A rapid reaction occurred which gave a solution.
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Typical behaviour of a neutral, oxygen-containing compound.
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No positive result.
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The unknown is not an aliphatic aldehyde.
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No reaction took place.
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This shows that the unknown is not a phenol nor is it unsaturated.
No reaction.
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Absent are groups like esters, acetals, amides and nitriles.
No positive result.
3344454651
The compound is not an alcohol nor a primary or secondary amine.
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colourless liquid
01050929
0
618385939697
Colourless solid m.p. 155-157 degrees.
Red solid m.p. 237-241 or 248-250 degrees.
Crystals m.p. 225-230 degrees.
Solid m.p. 85-86 degrees.
Red crystals m.p. 209-214 degrees.
Solid m.p. 73-76 degrees.
3
ê¥⌐╕¼╖r»┤bÆ─¥¡╡╖e╛¡_
Ñ¥⌐╕¼╖r»┤bÆ─¥¡╡╖e╛¡_
ê¥⌐╕¼╖r»┤bÆ─í»╢╡^╖½[áñ╢▓╢¡¿
liquid aromatic aldehyde
2
o-chlorobenzaldehyde
m-chlorobenzaldehyde