Reaction Quenching: Our Fisher Esterification reaction is being quenched using sodium bicarbonate Why do we use this reagent? Explain, in words and by drawing out acid/base chemistry reactions, wha the quench would accomplish. Be sure to use pKą values in your explanation. HINT: there are 2 different quench reactions that occur. Look at the reagents and the mechanism for what species exis in the reaction mixture that can react with sodium bicarbonate. OH Isobutyric acid C4H8 02 MW: 88.11 g/mol + HO Isobutyl alcohol C4H10O MW: 74.12 g/mol H₂SO4 (cat.) Reflux O Isobutyl isobutyrate C8H1602 MW: 144.20 g/mol + H₂O

Organic Chemistry: A Guided Inquiry
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ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter20: Acidity And Pka Of Phenols
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Reaction Quenching: Our Fisher Esterification reaction is being quenched using sodium bicarbonate.
Why do we use this reagent? Explain, in words and by drawing out acid/base chemistry reactions, what
the quench would accomplish. Be sure to use pKa values in your explanation. HINT: there are 2
different quench reactions that occur. Look at the reagents and the mechanism for what species exist
in the reaction mixture that can react with sodium bicarbonate.
OH
Isobutyric acid
C4H8 02
MW: 88.11 g/mol
+ HO
Isobutyl alcohol
C4H10O
MW: 74.12 g/mol
H₂SO, (cat.)
Reflux
Isobutyl isobutyrate
C8H1602
MW: 144.20 g/mol
+ H₂O
Transcribed Image Text:Reaction Quenching: Our Fisher Esterification reaction is being quenched using sodium bicarbonate. Why do we use this reagent? Explain, in words and by drawing out acid/base chemistry reactions, what the quench would accomplish. Be sure to use pKa values in your explanation. HINT: there are 2 different quench reactions that occur. Look at the reagents and the mechanism for what species exist in the reaction mixture that can react with sodium bicarbonate. OH Isobutyric acid C4H8 02 MW: 88.11 g/mol + HO Isobutyl alcohol C4H10O MW: 74.12 g/mol H₂SO, (cat.) Reflux Isobutyl isobutyrate C8H1602 MW: 144.20 g/mol + H₂O
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