Chemistry, 08.10.2020 14:01 alexismarie4881

• Phenol OH groups have an approximate pKa of 10, while NaHCO3 (the conjugate acid of Na2CO3) has a pKa of 10.3. This means the phenol and it’s conjugate base (phenoxide) should exist in equilibrium (1:1) in the basic solution; however, phenoxide is the major product of this reaction. What might account for this shift in equilibrium? (Hint: data on the previous page and in the first step of the procedure will help you) • Would sodium bicarbonate (NaHCO3) work as the base in this experiment? Explain why or why not.

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