Chemistry 360 - Athabasca University

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$Experimental Design - Math Site$

CHEM<strong>360</strong> Report Book 2012-14Exp.12Experiment 12 Results:Table 12.2. Summary Table of Observations (this table is optional. Use only to tidy up your observations from theprevious page if necessary.):Procedural StepComment or ObservationTable 12.3. Table of Product Data for Diphenylmethanol, the Carbonyl Reduction Product.Table 12.3. presents the summary of the results of the experiment. The calculations for limitingreagent, theoretical yield and percent yield are shown below the table. Note: _________________ was foundto be the limiting reagent.Product NameYield(Mass in g)Appearanceof SolidObservedMelting Pt.*(C)Lit. MeltingPt.(C)TheoreticalYield(g)% Yield*uncalibrated thermometer used.Limiting Reagent and Theoretical Yield Calculation:Moles of benzophenone used in the reaction =Moles of sodium borohydride used in the reaction =Theoretical Yield of diphenylmethanol =% Yield Calculation:30
CHEM<strong>360</strong> Report Book 2012-14Exp.12Table 12.4. Infrared Spectrum Data Analysis (see attached spectra)AbsorptionBand#Wavenumber(cm -1 )PeakShape(sharp, broad)PeakIntensity(strong, mediumor weak)Functional GroupIndicatedFunctional Group absent:AbsorptionBand#Wavenumber(cm -1 )PeakShape(sharp, broad)PeakIntensity(strong, mediumor weak)Functional GroupIndicatedFunctional Group absent:AbsorptionBand#Wavenumber(cm -1 )PeakShape(sharp, broad)PeakIntensity(strong, mediumor weak)Functional GroupIndicatedFunctional Group absent:Fig 12.1. TLC Analysis of Benzophenone, Crude and Recrystallized Diphenylmethanol31
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Chemistry 360 - Athabasca University

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