Question

Unknown Mixture 6. Esterification reaction is an equilibrium reaction. If equal quantities of 1-butanol and acetic acid are allowed to react, at equilibrium the theoretical yield of ester is only 67%. In Experiment D, the equilibrium was disturbed to increase the amount of the ester by adding excess of . 7. The NaCl attracts water to it more strongly than does the ester because the NaCl is completely ionic; therefore less water surrounds the ester thereby making the ester less soluble in the salt solution. This technique is called "salting out". Washing with saturated NaCl solution was used in experiment , followed by a washing with aqueous solution of __ to remove traces of acid. 8. The reaction mechanism of Fischer esterification requires as a first step protonation of the carboxylic oxygen. Which one, (a) or (b)?

          Unknown Mixture

6. Esterification reaction is an equilibrium reaction. If equal quantities of 1-butanol and acetic acid are allowed to react, at equilibrium the theoretical yield of ester is only 67%. In Experiment D, the equilibrium was disturbed to increase the amount of the ester by adding excess of ______.

7. The NaCl attracts water to it more strongly than does the ester because the NaCl is completely ionic; therefore less water surrounds the ester thereby making the ester less soluble in the salt solution. This technique is called "salting out". Washing with saturated NaCl solution was used in experiment ______, followed by a washing with aqueous solution of ______ to remove traces of acid.

8. The reaction mechanism of Fischer esterification requires as a first step protonation of the carboxylic oxygen. Which one, (a) or (b)?

Unknown Mixture

6. Esterification reaction is an equilibrium reaction. If equal quantities of 1-butanol and acetic acid are allowed to react, at equilibrium the theoretical yield of ester is only 67%. In Experiment D, the equilibrium was disturbed to increase the amount of the ester by adding excess of .

7. The NaCl attracts water to it more strongly than does the ester because the NaCl is completely ionic; therefore less water surrounds the ester thereby making the ester less soluble in the salt solution. This technique is called "salting out". Washing with saturated NaCl solution was used in experiment , followed by a washing with aqueous solution of to remove traces of acid.

8. The reaction mechanism of Fischer esterification requires as a first step protonation of the carboxylic oxygen. Which one, (a) or (b)?

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