CHE 303

 

Lab Report

 

 

 

Title: Oxidation of an Arene

 

Name:

 

Date:

 

 

Equation:

 

   C6H5CH2CH3 + 4KMnO4 + 4HCl ---> C6H5CO2H + CO2 + 4MnO2 + 4KCl + 4H2O

 

Table of Physical Constants

 

 

Compound MW Density mp bp
C6H5CH2CH3 106.0 0.867 -95 136
C6H5COOH 122.0  ----- 122 250
KMnO4  158.0  ----- ----- -----

Table of amounts of reactants used and of amounts of products theoretically possible

 

  C6H5CH2CH3

   KMnO4

   HCl

  C6H5CO2H

KCl

    CO2

    H2O

MnO2

  NaOH

        MW

            106

         158

  36.5

          122

84.5

       44

      18

      87

       40

      Moles

 

 

 

 

 

 

 

 

 

      Grams

              

           

 

 

 

 

 

 

 

          mL

 

 

 

 

 

 

 

 

 

 

Fill in the rest of the boxes IN PENCIL BEFORE you begin the experiment.  Show the results to your instructor.

 

Calculate the actual yield, and percent yield (w/w%) for your product

 

 

 

Molecualr weight calculation for Benzoic Acid:

 

 

 

Melting Range for your product:             to                oC