Q 3 please 2. Calculate the theoretical yield and percent yield of aspirin if you started with 1.351 g ofsalicylic acid and 5.10 mL of acetic anhydride (density 1.08 g/mL) and isolated 2.064 g ofaspirin.3. Which of the compounds below are esters? Use the esters shown in the introduction of theexperiment to help you identify the ester functional group.0H₂NStrawberriesHDecaying cadaversHC**CH O—CHzNH₂CinnamonCH3CH3H-CHOH₂CHCH₂JasmineRosesRancid butterCH3CH3OHPOST-LAB QUESTIONS1. How well do the two tests of purity of your aspirin agree?2. Identify the odor of methyl salicylate.3. What does the iron(III) test tell you about the purity of your methyl salicylate?CH34. Draw the structure of methyl salicylate. Remember that the R group from the alcohol is whatbecomes R, in the ester.

As per your request I am solving only question number-3 . If you want solutions of ther question too…

3. Which of the compounds below are esters? Use the esters shown in the introduction of the experiment to help you identify the ester functional group. H₂C H₂N H-C H₂ Strawberries H₂ H₂ H₂ H₂ H Decaying cadavers -CH H₂ HC-C Cinnamon H₂ NH₂ O-CHz CH₂ CH3 H Ihre C-CH₂ H H-C HO H H₂C Jasmine CH3 CH Roses Rancid butter CH3 CH3 OH CH₂

3. Which of the compounds below are esters? Use the esters shown in the introduction of the experiment to help you identify the ester functional group. H₂C H₂N H-C H₂ Strawberries H₂ H₂ H₂ H₂ H Decaying cadavers -CH H₂ HC-C Cinnamon H₂ NH₂ O-CHz CH₂ CH3 H Ihre C-CH₂ H H-C HO H H₂C Jasmine CH3 CH Roses Rancid butter CH3 CH3 OH CH₂

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter22: Biochemistry

Section: Chapter Questions

Problem 68E

See similar textbooks

Similar questions

Provide the equation to the Esterification reaction below. Mix 3 mL of ethyl alcohol, 1 mL of formic acid and 2 drops of conc. Sulfuric acid in a test tube
Why are alcoholic solutions (alcoholic NH2OHꞏHCl, alcoholic KOH, alcoholic HCl) used in the hydroxamic acid test for esters? Briefly explain and should be type written
The esterification reaction of 1 mL each of 1-propanol and propanoic acid is catalyzed with 2-3 drops of sulfuric acid, which is then placed in a test tube in a hot-water bath. After 15 or more minutes, ice water was added. Propyl propanoate is formed. Write the complete equation for the reaction and describe the odor or 1-propanol, propanoic acid, and propyl propanoate.
Name: 2) When water is introduced into an ester under high temperature conditions, esters are hydrolyzed into their carboxylic acid and alcohol components. Draw the structure of the resulting carboxylic acid and alcohol when the ester shown below is hydrolyzed. + H20 3) Why is it important that the test tube be thoroughly dry before making esters? Use the principles of chemical equilibrium to explain your answer.
Comparing the solubilities of the two compounds 3-hexanone and heptane 3-hexanone ✓heptane.
Aspirin to Icy Hot The reagents used were aspirin, methanol, and sulfuric acid. Draw out the chemical reaction (showing structural formulas) between reactants aspirin and another molecule present in the reaction vessel that produce salicylic acid and ethanoic acid. Now, draw out the final step of the chemical reaction, producing methyl salicylate and another product from the reactants salicylic acid and methanol.
Why are alcoholic solutions (alcoholic NH2OHꞏHCl, alcoholic KOH, alcoholic HCl) used in the hydroxamic acid test for esters? Please don't answer if you've answered this already.
The solubility of butanoic acid in water is 60 mg/mL, while that of ethyl acetate is about 80 mg/mL. How will you account for this difference?
Aspirin undergoes the typical reactions of esters. With this in mind, can aspirin be recrystallized using hot water? Is the product isolated a pure aspirin?
Carboxylic acids are acidic enough to dissolve in both 10% NaOH and NaHCO3. Phenols, ArOH, are weak acids and most phenols will not dissolve in 10% NaHCO3. How would you separate a mixture of a carboxylic acid (RCOOH), an amine (RNH2), a phenol (ArOH) and a hydrocarbon (RH) using chemically active extraction? Draw a flow chart to illustrate your separation. Show each species in the aqueous and organic layers.
Why are alcoholic solutions (alcoholic NH2OHꞏHCl, alcoholic KOH, alcoholic HCl) used in the hydroxamic acid test for esters?
Ester compounds often have a sweet, pleasant odor. Many characteristic fruit scents are largely due to the natural presence of one or more ester compounds. As such, artificial scents for foods are often composed of complex mixtures of various esters. The exact identity and ratio of ingredients that compose a particular scent are closely guarded secrets in the food and fragrance industry. Suppose that you are a chemist working for a company that i creating a new line of air fresheners. The company is considering three scents: apple, pear, and pineapple. The project manager has asked you to prepare the ester compounds that are largely responsible for these scents. The structural formulas for these ester compounds are shown here: Alcohols for Air Freshener Project Molar mass Density Cost, per (g/mL) Reagent (g/mol) 1.00 L methanol 32.04 0.79 $46.20 ethanol 46.07 0.79 $112.00 1-propanol 60.10 0.80 $72.70 1-butanol 74.12 0.81 $72.60 Use the structural formulas of the alcohols and…