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Complete the reagent table (check procedure for acid concentration) and calculate the theoretical yield. Calculate/discuss the percent yield. How efficient was the reaction? Are there any key areas in this experiment that caused a significant drop in yield? [Discussing how product was lost in the reaction rather lost in transfer steps will get the most points here] Information: 11 mmol of 2-methylcyclohexanol. 1.3 mL of 9 M sulfuric acid. Actual Yield: 0.626 grams.

Complete the reagent table (check procedure for acid concentration) and calculate the theoretical yield. Calculate/discuss the percent yield. How efficient was the reaction? Are there any key areas in this experiment that caused a significant drop in yield? [Discussing how product was lost in the reaction rather lost in transfer steps will get the most points here] Information: 11 mmol of 2-methylcyclohexanol. 1.3 mL of 9 M sulfuric acid. Actual Yield: 0.626 grams.

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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  1. Complete the reagent table (check procedure for acid concentration) and calculate the theoretical yield.

    Calculate/discuss the percent yield. How efficient was the reaction? Are there any key areas in this experiment that caused a significant drop in yield? [Discussing how product was lost in the reaction rather lost in transfer steps will get the most points here]

Information: 11 mmol of 2-methylcyclohexanol. 1.3 mL of 9 M sulfuric acid. Actual Yield: 0.626 grams. 

The image illustrates a chemical reaction involving the dehydration of 2-methylcyclohexanol. Here's the description broken down: **Reactant:** - 2-methylcyclohexanol: A cyclic alcohol where a methyl group (CH₃) and a hydroxyl group (OH) are attached to a cyclohexane ring. **Reaction Conditions:** - The reaction is carried out in the presence of sulfuric acid (H₂SO₄) as a catalyst and heat (Δ). **Products:** - The reaction results in the formation of two alkenes and water: 1. **1-methylcyclohexene:** An alkene with a double bond between the first and second carbons of the cyclohexane ring and a methyl group attached. 2. **3-methylcyclohexene:** An alkene with a double bond between the third and fourth carbons of the cyclohexane ring and a methyl group attached. 3. **Water (H₂O):** It is released as a byproduct of the dehydration process. This is a typical example of an E1 elimination reaction where the alcohol undergoes dehydration to form alkenes. The formation of multiple products is due to the positional isomerism of the double bond within the cyclohexane ring.
Transcribed Image Text:The image illustrates a chemical reaction involving the dehydration of 2-methylcyclohexanol. Here's the description broken down: **Reactant:** - 2-methylcyclohexanol: A cyclic alcohol where a methyl group (CH₃) and a hydroxyl group (OH) are attached to a cyclohexane ring. **Reaction Conditions:** - The reaction is carried out in the presence of sulfuric acid (H₂SO₄) as a catalyst and heat (Δ). **Products:** - The reaction results in the formation of two alkenes and water: 1. **1-methylcyclohexene:** An alkene with a double bond between the first and second carbons of the cyclohexane ring and a methyl group attached. 2. **3-methylcyclohexene:** An alkene with a double bond between the third and fourth carbons of the cyclohexane ring and a methyl group attached. 3. **Water (H₂O):** It is released as a byproduct of the dehydration process. This is a typical example of an E1 elimination reaction where the alcohol undergoes dehydration to form alkenes. The formation of multiple products is due to the positional isomerism of the double bond within the cyclohexane ring.
### Reagent Details for Chemical Experiment **Reagents Table:** | Reagent | MW | Mmol | Mass | Volume | Equivalents | Density/conc. | |---------------------------|-----|------|------|--------|-------------|---------------| | 2-methylcyclohexanol | | | | | | | | Sulfuric acid (catalyst) | --- | --- | --- | | | | **Explanation:** This is a table listing the reagents used in a chemical experiment. It is structured to include detailed information about each reagent, including: - **MW (Molecular Weight):** Not provided in the table. - **Mmol (Millimoles):** Not provided in the table. - **Mass:** Not provided in the table. - **Volume:** Not provided for the liquid form of reagents. - **Equivalents:** Indicates the number of moles relative to the limiting reagent, not provided in the table. - **Density/conc. (Density/Concentration):** Not provided. **Notes:** - **2-methylcyclohexanol:** A primary reagent in the experiment, yet specific data (MW, mmol, etc.) are missing and need to be filled in based on experimental quantities. - **Sulfuric acid (catalyst):** Listed as a catalyst, with certain details intentionally left unspecified (MW and Mmol) to emphasize its role in facilitating the reaction without being consumed. Ensure that this table is updated with the necessary experimental values before proceeding.
Transcribed Image Text:### Reagent Details for Chemical Experiment **Reagents Table:** | Reagent | MW | Mmol | Mass | Volume | Equivalents | Density/conc. | |---------------------------|-----|------|------|--------|-------------|---------------| | 2-methylcyclohexanol | | | | | | | | Sulfuric acid (catalyst) | --- | --- | --- | | | | **Explanation:** This is a table listing the reagents used in a chemical experiment. It is structured to include detailed information about each reagent, including: - **MW (Molecular Weight):** Not provided in the table. - **Mmol (Millimoles):** Not provided in the table. - **Mass:** Not provided in the table. - **Volume:** Not provided for the liquid form of reagents. - **Equivalents:** Indicates the number of moles relative to the limiting reagent, not provided in the table. - **Density/conc. (Density/Concentration):** Not provided. **Notes:** - **2-methylcyclohexanol:** A primary reagent in the experiment, yet specific data (MW, mmol, etc.) are missing and need to be filled in based on experimental quantities. - **Sulfuric acid (catalyst):** Listed as a catalyst, with certain details intentionally left unspecified (MW and Mmol) to emphasize its role in facilitating the reaction without being consumed. Ensure that this table is updated with the necessary experimental values before proceeding.
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