Which of the following statements are true about sulfuric acid\'s role in the es

Question

Which of the following statements are true about sulfuric acid's role in the esterification reaction. Note that there may be more than one correct answer.

Which of the following below explain why the alcohol is used in excess in this reaction. Note that there may be more than one answer.

sulfuric acid reduces the concentration of OH- and slows the reverse reaction. sulfuric acid is used to ensure the alcohol will dissolve in ether sulfuric acid is added to react with excess sodium bicarbonate in the first step of the reaction sulfuric acid is used to ensure the carboxylic acid will dissolve in ether sulfuric acid acts as a catalyst for the reaction sulfuric acid protonates the ester in the first step of the reaction mechanism sulfuric acid protonates the alcohol in the first step of the reaction mechanism sulfuric acid protonates the carboxylic acid in the first step of the reaction mechanism sulfuric acid is added to lower the boiling point of the reaction mixture.

Explanation / Answer

1)

sulfuric acid acts as a catalyst for the reaction

sulfuric acid protonates the carboxylic acid in the first step of the reaction mechanism

2)

This is a reversible reaction and adding excess alcohol drives the reaction towards the products.

The alcohol is used in excess to make the reaction mixture soluble in ether during the extraction phase.

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