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Draw the products, what is the theoretical yield?

Draw the products, what is the theoretical yield?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Draw the products, what is the theoretical yield?

Procedure from literature reference In a well ventilated fume hood, gradually add 2.5 g of phenylacetic acid to a 50 mL round bottom flask containing 25 mL of nitric acid (90% or 70%). During the addition process, keep the temperature of the reaction mixture between 25°-35°C. When all the phenylacetic acid has been added to the nitric acid, heat the reaction mixture at reflux for approximately one hour. Allow the reaction mixture to cool to room temperature, and pour the contents of the round bottom flask into 35- 40 mL of ice-water. Collect the precipitated product (crystallization may need to be induced) via suction filtration, wash with a minimum amount of cold water, and allow the crystals to dry in the suction funnel for at least 15-20 minutes. Perform an acid-base titration on your nitration product to obtain its neutralization equivalent. In a 125 mL Erlenmeyer flask, dissolve approximately 0.2 g of nitration product whose mass is known to three decimal places in approximately 20 mL of a 1:1 (v/v) ethanol/water mixture. Add a drop or two of phenolphthalein indicator. Titrate the resulting solution with standardized NaOH solution (~0.1N, accurate to three decimal places) to a faint pink end point. Compute the nitration product's neutralization equivalent using the equation provided. Acquire 'H NMR of both product I and product II. Acquire melting points of both product I and II. Acquire an IR of product II.
Transcribed Image Text:Procedure from literature reference In a well ventilated fume hood, gradually add 2.5 g of phenylacetic acid to a 50 mL round bottom flask containing 25 mL of nitric acid (90% or 70%). During the addition process, keep the temperature of the reaction mixture between 25°-35°C. When all the phenylacetic acid has been added to the nitric acid, heat the reaction mixture at reflux for approximately one hour. Allow the reaction mixture to cool to room temperature, and pour the contents of the round bottom flask into 35- 40 mL of ice-water. Collect the precipitated product (crystallization may need to be induced) via suction filtration, wash with a minimum amount of cold water, and allow the crystals to dry in the suction funnel for at least 15-20 minutes. Perform an acid-base titration on your nitration product to obtain its neutralization equivalent. In a 125 mL Erlenmeyer flask, dissolve approximately 0.2 g of nitration product whose mass is known to three decimal places in approximately 20 mL of a 1:1 (v/v) ethanol/water mixture. Add a drop or two of phenolphthalein indicator. Titrate the resulting solution with standardized NaOH solution (~0.1N, accurate to three decimal places) to a faint pink end point. Compute the nitration product's neutralization equivalent using the equation provided. Acquire 'H NMR of both product I and product II. Acquire melting points of both product I and II. Acquire an IR of product II.
the nitration of phenylacetic acid as shown below. 90 % ΗΝΟ; Product I or Product II 70 % ΗΝΟ;
Transcribed Image Text:the nitration of phenylacetic acid as shown below. 90 % ΗΝΟ; Product I or Product II 70 % ΗΝΟ;
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