end with clear liquids, so how to we know if we even did the experiment correctly? How do we know if we really made the product we "think" we made?   In this lab the goal was to convert cyclohexanol to cyclohexene. Since the product is supposed to be an alkene, based on your lab from last week, we should be able to perform either a Bromine test or a Potassium permanganate test to determine if we made an alkene (or still just have our starting alkane.....fingers crossed we didn't do all the work and not make any product!)

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter14: Elimination
Section: Chapter Questions
Problem 15CTQ
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In lab we often start with clear liquids and end with clear liquids, so how to we know if we even did the experiment correctly? How do we know if we really made the product we "think" we made?

 

In this lab the goal was to convert cyclohexanol to cyclohexene. Since the product is supposed to be an alkene, based on your lab from last week, we should be able to perform either a Bromine test or a Potassium permanganate test to determine if we made an alkene (or still just have our starting alkane.....fingers crossed we didn't do all the work and not make any product!) 

 

Let's test our product to see if we made an alkene, answer the questions listed below:

Question 1: What would the test result look like if we made the alkene product for the Bromine test? clear

Question 2: What would the test result look like if we made the alkene product for the Potassium permanganate test? brown 

Question 3: What would the test result look like if we made the alkane product for the Bromine test (NO UV light is added)? clear

Question 4: What would the test result look like if we made the alkane product for the Potassium permanganate test?Red-orange

 

Here are our test results on our product!

Bromine Test   Clear
Potassium permanganate test   Brown

 

Question 5: Did you make an alkene product? (CHOOSE: yes/no) YES

 

 


                                                                                                  
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