L TECH 722-Isolating Clove Oil Using Steam Distillation Final Report Sheet Secti

Question

L TECH 722-Isolating Clove Oil Using Steam Distillation Final Report Sheet Section Name: Mass of starting material -e tars Mass of product: el 25 s Qualitative Test Results Control Your Sample (eugenol 2 yello bromine test yellow Breen yelow ron(III) chloride Thin Layer Chromatography Results TR, your sample Rr-standard Compound Eugenol eugenol acetate 0.12 Other Post-Laboratory Questions: on a separate sheet (preferably typed complete the post-laboratory questions in your laboratory manual. Results for questions 2 and 4 may be reported above. Show all calculations! Additional Post-Laboratory Question: In question 2, explain the significance of each test result. That is, how do these results indicate that you have isolated

Explanation / Answer

2. Eugenol on reaction with,

Br2 : gives decolorisation of Br2 color, confirms presence of alkene linkage

KMnO4 : gives decolorisation of KMnO4 purple to brown MnO2 which confirms eugenol getting oxidized by KMnO4

FeCl3 : green-yellow color due to formation of phenol-FeCl2 complex. Confirms phenolic -OH group present

3. Reactions of eugenol and eugenol acerate are shown below

5. Order of compounds based on increasing polarity

eugenol acetate < eugenol < other

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