What are possible impurities from the given reactions? Potential impurities include the excess acids, carbon dioxide, and sulfur dioxide

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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EXPERIMENT 2B
PREPARATION OF ETHYLENE
MATERIALS AND REAGENTS
95% Ethanol
Distilling flask
Sulfuric acid, concentrated
Rubber tubing
Sodium carbonate, 10% solution
Test tubes
Potassium permanganate, 1% solution
Test tube holder and rack
Bromine, 0.5% solution in carbon tetrachloride
PROCEDURE
1. Pour 10 ml of ethyl alcohol into the flask.
2. Add gradually with constant shaking 30 ml of conc. H;SO..
3. Transfer the solution into the distilling flask.
4. Arrange the apparatus as shown. Collecting through should contain 10% Na;CO; solution. Have
the instructor check your set-up before heating.
10% Na.CO, ediution
thermemeter pocket
with a little glycerine
Fig. 10.1 Quickfit Apparatus
for the Preparation of Ethene
Fig. 10.2 Ordinary Set-up
for the Preparation of Ethene
5. Heat the distilling flask until evolution of gas is observed. Take note of the temperature at which
the gas starts to evolve.
6. Collect 4 test tubes of the gas and test for flammability and active unsaturation.
Transcribed Image Text:EXPERIMENT 2B PREPARATION OF ETHYLENE MATERIALS AND REAGENTS 95% Ethanol Distilling flask Sulfuric acid, concentrated Rubber tubing Sodium carbonate, 10% solution Test tubes Potassium permanganate, 1% solution Test tube holder and rack Bromine, 0.5% solution in carbon tetrachloride PROCEDURE 1. Pour 10 ml of ethyl alcohol into the flask. 2. Add gradually with constant shaking 30 ml of conc. H;SO.. 3. Transfer the solution into the distilling flask. 4. Arrange the apparatus as shown. Collecting through should contain 10% Na;CO; solution. Have the instructor check your set-up before heating. 10% Na.CO, ediution thermemeter pocket with a little glycerine Fig. 10.1 Quickfit Apparatus for the Preparation of Ethene Fig. 10.2 Ordinary Set-up for the Preparation of Ethene 5. Heat the distilling flask until evolution of gas is observed. Take note of the temperature at which the gas starts to evolve. 6. Collect 4 test tubes of the gas and test for flammability and active unsaturation.
What are possible impurities from the given reactions?
Potential impurities include the excess acids, carbon dioxide, and sulfur
dioxide
Transcribed Image Text:What are possible impurities from the given reactions? Potential impurities include the excess acids, carbon dioxide, and sulfur dioxide
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