Dehydration of an Alcohol
From the procedure
- Data And Report Submission Dehydration Of An Alcohol Dehydration Of An Alcohol From The Procedure Standards Standard R 1 (38.46 KiB) Viewed 43 times
Standard retention time of dichloromethane:2.26 min
Standard retention time of cyclohexanol:9.58 min
Standard retention time of cyclohexene:4.35 min
Product
Retention time of your product:4.51 min
Area for your product peak:3.01 cm2
Retention time of any remaining starting alcohol:9.52 min
Area for your starting alcohol:0.51 cm2
Analysis of Reaction Mixture
Percent composition of alkene product (%) 85.51 %
Percent composition of alcohol starting material (%) 14.49
%
Based on GC data, calculate the actual mass of product obtained
(g) 9.18 g
Actual product percent yield (%) 78.16 %
- Data And Report Submission Dehydration Of An Alcohol Dehydration Of An Alcohol From The Procedure Standards Standard R 2 (52.4 KiB) Viewed 43 times
think are present.
A pear peak at 690cm-1 and 750
cm-1 shows the presence of sp2 C-H bending
vibrations. These peaks are helpful in the determination of ring
substitution pattern a strong peak at 690 cm-1 and
750cm-1 shows mono substituted benzenering
1H NMR Spectrum for Product Obtained
1. Complete the following table to analyze the NMR
signals in ppm.
2. Use three key signals to justify what compound(s)
that you think are present.
3. Does this suggest that your reaction worked? Use
three key signals to justify your answer.
4. What does this NMR data indicate about the purity of
the product? Use three key signals to justify your
answer.
5. Are there other tests that could be used to determine
if cyclohexanol is present in your product? Give at least one test
with some detail of the expected result for the presence of
cyclohexanol.
6. Draw the mechanism for this reaction.
Write the balanced chemical equation for the reaction Normal BIU X₂ X² → OH H* Cyclohexanol Cyclohexene fx Saved Tx
Report Table DO.1: Reactants and Products Table Amounts of reactants used and products obtained Cyclohexanol Cyclohexene (2pts) Product theoretical yield (g) (2pts) Product percent yield (%) Molar Mass (g/mol) 100.158 82.143 Density (g/mL) 0.962 Volume used (mL) 14.90 Mass used or produced (g) 14.33 10.740 Table view List view Moles used or produced (mol) 0.1431 0.1307 11.75 g 91.40
IR Spectrum for Product Obtained 0.8 0.6 3500 Transmitance 0.2 0.0 4000 3000 2500 2000 propr 1500 1000 500