The liquid dissolved only in concentrated sulfuric acid. 1348 Typical of neutral, oxygen containing compounds. Solvent is deuterochloroform. ǯ׳epܯ}ʿͽȿ ҨdZ}ڭZ, sϼ`"Ƣ" # 132023303334383941424344454648495154 Indicated are n-propyl and a deshielding group. Sum of ratio is ODD. The molecular ion is at 114. +G)R'>r6*2:-s" 26 Peak at 71 is loss of 43 C3H7 (suggests a propyl ketone). Lambda max. nm 283, log absorbance 1.4. In hexane. # Weak absorption only. The compound is not conjugated. No extra elements were detected. 212531353941424349264048 Halogens, nitrogen and sulfur are absent. The liquid burnt with a clear flame; no residue formed. # The compound is aliphatic and saturated. Below room temperature. # Typical of most liquids. Liquid film. ####"""""! !!! !"""""""#"""""#$$$$$$$$$$#$&(-.,)((('''((((())*)+++++++++++,,./136>FWʺ}^JA=:840+))+,)&%$$%%$"!!!!!!! !!!!!!! !"""!!!!!!!"! !!!!!!!!!!!!! !"""""""""#""""####$$$%%&&&'(())*+-4?JTbpԺw fSJE;52.,,+*))(''&&&&%%&&&&&'''()*+,,-07>GVs|rgehu{jhvweYMC?>=FQTVWUSVVOHDB@AABBCDFFBFIWdlpmg\as|h\PJD?;88:;=ENQQ[iplaJ?3/)'&&&&%%%%&(*.4764435:@:5.**)+-/01246447:>>:8=CC83200-)'&&&&()*&&%(,.++))%$$##"$"#"#$"$()*+()))(.,/246;=?FGNS\_bh 132023303334383941424344454648495154 The strong peak is due to C=O (ketone ?); compound is saturated & aliphatic. 142-145 degrees. # A typical value for a liquid. Optically inactive. # The compound is achiral. 0.817 # A typical low value for an organic liquid. 1.407 # A typical value. # # # # # # Solvent is deuterochloroform. 3sMt1t.q # Seen are C=O, 2 methylene, 1 methyl. Odd no. of H implies symmetry or heteroatom # # # # # # # # # A yellow precipitate was rapidly formed. # This liquid is an aldehyde or ketone. No positive result. 3344454651 Active hydrogens are absent ie: no OH or NH. # # # No change was seen. # The compound is not an aldehyde. # # # No colour change was noticed. 14 This unknown is not an ester. # # # # # # No observable reaction. # Methyl ketone functionality is absent. No precipitate was seen. # The unknown is not an aldehyde. No silver mirror was formed. # The compound is not an aldehyde. No positive result. 3344454651 Groups containing active hydrogens (OH or NH) are absent. # # # No reaction. # The compound is not unsaturated nor is it easily oxidised. # # # No colour change was observed. 23 The compound is not a sugar. # # # No reaction could be seen. # The unknown is not unsaturated nor is it a phenol. No positive result was obtained. # The compound is not an ether. No reaction was noted. # The compound is not a phenol. # # # # # # # # # # # # # # # # # # # # # # # # A vigorous reaction occurred giving a solution. # Typical behaviour of a neutral oxygen containing compound. # # # # # # No observable change was seen. # The compound is not an aldehyde. # # # No reaction could be seen. # The compound is saturated. The organic material did not react. # The compound is not an ester, amide, acetal or nitrile etc. No positive result. 3344454651 Absent are groups containing OH or NH bonds (alcohols, phenol, amines). # # # # # # # # # # # # # # # # # # colourless liquid 01050919 0 8596 Crystals m.p. 130-133 degrees Yellow solid m.p. 74-76 degrees 2 ak rvk liquid ketone 4 4-methyl-2-hexanone 3-methylcyclopentanone 4-heptanone 2,4-dimethyl-3-hexanone