What is the function of toluene in the synthesis of butyl propanoate? To absorb water from the salt solution in the phase separator and slowly carry into the reaction flask so that a steady amount of water is kept in the reaction mixture. O All esterifications need to be run in toluene because it is one of the few solvents that can dissolve the carboxylic acid and the alcohol at the same time. O To absorb excess acid. To azeotrope with water and transfer the water from the reaction mixture to the phase separator thereby driving the reaction to completion. To azeotrope with the butyl propanoate and remove it from the reaction mixture by transferring butyl propanoate to the phase separator.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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11. The following question is from a practice website. It is shown in the photo below. 

What is the function of toluene in the synthesis of butyl propanoate?
To absorb water from the salt solution in the phase separator and slowly carry
into the reaction flask so that a steady amount of water is kept in the reaction
mixture.
All esterifications need to be run in toluene because it is one of the few solvents
that can dissolve the carboxylic acid and the alcohol at the same time.
To absorb excess acid.
To azeotrope with water and transfer the water from the reaction mixture to the
phase separator thereby driving the reaction to completion.
To azeotrope with the butyl propanoate and remove it from the reaction mixture
by transferring butyl propanoate to the phase separator.
Transcribed Image Text:What is the function of toluene in the synthesis of butyl propanoate? To absorb water from the salt solution in the phase separator and slowly carry into the reaction flask so that a steady amount of water is kept in the reaction mixture. All esterifications need to be run in toluene because it is one of the few solvents that can dissolve the carboxylic acid and the alcohol at the same time. To absorb excess acid. To azeotrope with water and transfer the water from the reaction mixture to the phase separator thereby driving the reaction to completion. To azeotrope with the butyl propanoate and remove it from the reaction mixture by transferring butyl propanoate to the phase separator.
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