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ochem lab final

QuestionAnswer
Experiment 1 recrystallization of benzoic acid from water. water and benzoic acid were boiled, ice bath, gravity filtration
Experiment 2 fractional distillation of an acetone-toluene mixture fractional distillation is steel wool, because of the large difference in boiling points. collected both acetone and toluene. acetone = 54 degrees, toluene = 104 degrees
Experiment 3 extraction of caffeine from tea leaves boiling tea leaves and sodium carbonate to make strong tea. DCM and tea in a separatory funnel. drain bottom layer
Experiment 4 determining Rf values and unknows by TLC
Experiment 5.2 isolation of chlorophyll spinach and ethanol blended, squeeze and add DCM column filled with sand, ether, alumina,
Experiment 6.1 cyclohexane from cyclohexanol cyclohexanol and phosphoric acid fractionally distilled to make cyclohexene. test with KMnO4 for alkenes
Created by: mac271
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