The unknown dissolved in water; no change in pH occurred. 1348 This result is typical of a neutral oxygen-containing compound. Solvent is deuterochloroform. èèççççççççççççççççççççووççççççççççççووççççççççççççççççççççççççççووووووووووووووووووووووووووووووووووووووووووووووçççççççوووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووو ووووووووووووووووووووووووووووووووووووووووووووووووووووووووههههههههههههههههههههههههههههههووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووووههنهنننممàسةٹu/ W،³طننهوçççèèèèèèèèèèèèèçççççççوووووووووووووووووووووووووووووووو وووووووçççççççççççççççووووووووووووووووççççççççççççوووووووووçççççççççççççççççççççççççووووووووووووووهنâàكققنçççççççççè 132023303334383941424344454648495154 The compound is aliphatic with one type of proton environment only. # dummy ms # # # # # No extra elements were detected. 212531353941424349264048 No N,S or halides are present. Burnt with a clear flame leaving no residue. # Typical of a saturated compound which is not a metal salt. Below room temperature. # Typical of a liquid. Liquid film #####"#""""""""""""""!!!!!!!!!!!!!##%&'&'&&&'()*++,,,---./1HC;2**))(''''&&&&%%%&&&&'''(())*,../14;A>=<978;:51.,+**('''('&%$%%%##%%%%$####$$$##""""!!!"#!!$##"""##$"#"!"""""#%$"!!!!! !! !!!!!!!"$##""""""#######""""!"##############$$(()/2543356<@ACJi–قèضآںˆx k`\WTURD<98754210.--,,,,,+,,-.//001223334444679;>ADJOj‹ˆ€vpkf]YYZ‡—‍‰}rj`PD?<851.---,,,++**))))+,-.///1248;;;=?X’ژ’†yojdZLDA><:87420.-././12584.+)'&%%$$##"""""""!!!!!!!!!""""""""""#####$$$$$$%'()***,.//....0149q‡™ƒhP@;641110112211223:>? 132023303334383941424344454648495154 The unknown is a saturated, aliphatic ketone. 85 to 88 degrees. # Indicative of low molecular weight. Optically inactive. # The compound is not chiral. 0.981 # A typical value. 1.393 # A typical value for a liquid. # # # # # # # dummy cmr # # # # # # # # # # # A yellow coloured precipitate formed. # This indicates that an aldehyde or ketone is present. No positive result. 3344454651 No easily replaceable H's are present i.e. no OH, SH, or NH. # # # # # # # # # No reaction could be seen. 14 The unknown is not an ester. # # # # # # A yellow precipitate formed. # This indicates that a methyl ketone is present. No apparent reaction. # The unknown is not an aldehyde or a reducing sugar. No visible change occurred. # The compound is not an aldehyde. No positive result. 3344454651 Absent are OH (alcohol or phenol) and NH (prim. or sec. amine) # # # No reaction was noted. # The compound is not unsaturated nor is it a phenol. # # # No colour change was observed. 23 This compound is not a carbohydrate. # # # No reaction took place. # This compound is not a phenol nor is it unsaturated. No positive result. # The compound is not an ether. No change was noted. # This compound is not a phenol or an enol. # # # # # # # # # # # # # # # # # # # # # # # # A vigorous reaction took place giving a solution. # Typical of an oxygen or nitrogen functionality. # # # # # # No change was observed. # This compound is not an aldehyde. # # # No reaction. # The unknown is not a phenol nor is it unsaturated. No change was seen. # Absent are groups like ester, acetal, amide or nitrile. No positive result. 3344454651 No OH (alcohol or phenol) or NH (prim. or sec. amine) containing groups. # # # # # # # # # # # # # # # # # # colourless liquid 01050919 0 8385939697 Solid with m.p. 228-231 degrees Crystalline solid m.p. 277-281 degrees Solid with melting range of 240-243 degrees Yellow solid m.p. 313-315 degrees Solid with m.p. of di form 231-235 or 245-246 degrees 3 ک¹§³¥¼y¬ ˆœ™‌¢½t،ہbˆ³«¯¶ ڑ¹³µ´°y¬¹vگ¹´¢½ liquid aliphatic ketone 3 ethyl methyl ketone methyl vinyl ketone biacetyl