Which of the following plates represents the course of the reaction from beginning to end, assuming a 100% yield?

EBK A SMALL SCALE APPROACH TO ORGANIC L
4th Edition
ISBN:9781305446021
Author:Lampman
Publisher:Lampman
Chapter21: Synthesis Of N-butyl Bromide And T-pentyl Chloride
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Question 6: Which of the following plates represents the course of the reaction from beginning to end, assuming a 100% yield?

1
2
3
2
3
2
3
1
2
3
A
1. beginning of reaction (before heating)
2. after heating for a few minutes
3. after heating the reaction for ten minutes
A
В
C
D
Transcribed Image Text:1 2 3 2 3 2 3 1 2 3 A 1. beginning of reaction (before heating) 2. after heating for a few minutes 3. after heating the reaction for ten minutes A В C D
Ashe went into the lab to set up the following reaction:
OH
strong acid
OH
heat
benzopinacol
molar mass = 366.46 g/mol
benzopinacolone
molar mass = 348.45 g/mol
They found a procedure ahead of time that says the following:
"Combine 100 mg of benzopinacol and 1 mL of acetic acid in a test tube. Add a small crystal of iodine (the solution should brown), and warm the test tube gently. Follow the
reaction by TLC. When it is complete (just a few minutes), chill the reaction mixture and filter the resulting crystals. You may have to add some cold ethanol to have enough
liquid to filter. Wash the crystals with a little cold ethanol, then record a melting point and yield." (From Bell, Clark, and Taber)
Transcribed Image Text:Ashe went into the lab to set up the following reaction: OH strong acid OH heat benzopinacol molar mass = 366.46 g/mol benzopinacolone molar mass = 348.45 g/mol They found a procedure ahead of time that says the following: "Combine 100 mg of benzopinacol and 1 mL of acetic acid in a test tube. Add a small crystal of iodine (the solution should brown), and warm the test tube gently. Follow the reaction by TLC. When it is complete (just a few minutes), chill the reaction mixture and filter the resulting crystals. You may have to add some cold ethanol to have enough liquid to filter. Wash the crystals with a little cold ethanol, then record a melting point and yield." (From Bell, Clark, and Taber)
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