In one of your experiments, you used a Grignard reaction to make a carboxylic acid. Br 1) Mg Practice opl8 2) CO2 As part of this experiment, the following procedures were given: 6. In a clean beaker, 3.7 g of dry ice (solid carbon dioxide) were added. 7. The reaction flask was removed from the hot water bath, and once the flask reached room temperature, its contents were carefully transferred to the beaker containing the dry ice. 8. To the resulting sticky mass obtained in step 7 was added approximately 20-30 g of ice, 25 mL of 2.5 M HCI, and 15 mL of diethyl ether. 9. Once the ice has melted, the solution was transferred into a separatory funnel. The beaker was rinsed with 15 mL of diethyl ether and the rinsings were also added to the separatory funnel. 10. The layers were extracted and stored in separate containers. a) What is the structure of the organic compound in the sticky mass formed in step 7?

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In one of your experiments, you used a Grignard reaction to make a carboxylic acid.
Br
Prectice opl8
1) Mg
2) CO2
As part of this experiment, the following procedures were given:
6. In a clean beaker, 3.7 g of dry ice (solid carbon dioxide) were added.
7. The reaction flask was removed from the hot water bath, and once the flask reached room
temperature, its contents were carefully transferred to the beaker containing the dry ice.
8. To the resulting sticky mass obtained in step 7 was added approximately 20-30 g of ice, 25 mL of
2.5 M HCI, and 15 mL of diethyl ether.
9. Once the ice has melted, the solution was transferred into a separatory funnel. The beaker was
rinsed with 15 mL of diethyl ether and the rinsings were also added to the separatory funnel.
10. The layers were extracted and stored in separate containers.
a) What is the structure of the organic compound in the sticky mass formed in step 7?
b) What happens when the HCl and ice are added in step 8? (give a mechanism)
Transcribed Image Text:In one of your experiments, you used a Grignard reaction to make a carboxylic acid. Br Prectice opl8 1) Mg 2) CO2 As part of this experiment, the following procedures were given: 6. In a clean beaker, 3.7 g of dry ice (solid carbon dioxide) were added. 7. The reaction flask was removed from the hot water bath, and once the flask reached room temperature, its contents were carefully transferred to the beaker containing the dry ice. 8. To the resulting sticky mass obtained in step 7 was added approximately 20-30 g of ice, 25 mL of 2.5 M HCI, and 15 mL of diethyl ether. 9. Once the ice has melted, the solution was transferred into a separatory funnel. The beaker was rinsed with 15 mL of diethyl ether and the rinsings were also added to the separatory funnel. 10. The layers were extracted and stored in separate containers. a) What is the structure of the organic compound in the sticky mass formed in step 7? b) What happens when the HCl and ice are added in step 8? (give a mechanism)
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