XC-16 Due right at the time of lecture 1. The IUPAC name and common name for the following carboxylic acid are: O CH3-C-OH a. ethanoic acid; acetic acid b. methanoic acid; formic acid c. ethanoic acid; formic acid d. methanoic acid; acetic acid 2. The carboxylic acid responsible for the pain of an ant sting is: a. ethanoic acid b. methanoic acid c. butanoic acid d. propanoic acid 3. Which is the acid found in vinegar? a. nitric acid b. acetic acid c. valeric acid d. formic acid 4. What is the IUPAC name of this compound? 2-methylpentanoic acid pentanoic acid 3-methylpentanecarboxylic acid 3-methylpentanoic acid 5. Which of these compounds is(are) a carboxylic acid? structure A structure B structure C none of the above 1

6. What is the IUPAC name of this compound? 3,4-diethylbenzoic acid 3,4-dimethylbenzene 3,4-dimethylbenzoic acid 4,5-dimethylbenzoic acid 7. 3-Methylpentanoic acid can be produced by an oxidation of 3-methylpentanal 3-methyl-1-pentanol. 3-methyl-2-pentanol answers 1 and 2 8. Write an equation for the complete oxidation of 1-propanol and name each product. 9. What alcohol could be used to prepare butanoic acid ? 10. Write the equation for the ionization of propionic acid in water. 11. What kind of reaction is shown below? esterification of a carboxylic acid neutralization of a carboxylic acid oxidation of a carboxylic acid reduction of a carboxylic acid

12. What is the IUPAC name of the product of the reaction below? 3,4-dimethylbenzoic acid potassium 3,4-dimethylbenzoate potassium 3,4-dimethylbenzoic acid 3,4-dimethylbenzoic acid salt 13. What is the product of the neutralization reaction shown below? 14. From what two starting materials would the ester be synthesized? cyclobutanoic acid and propanoic acid cyclobutanoic acid and 1-propanol cyclobutanol and propanoic acid cyclobutanol and 1-propanol 15. From what two starting materials would the ester be synthesized? 2-propanol and benzyl alcohol 2-propanol and benzoic acid methylpropanoic acid and benzyl alcohol methylpropanoic acid and benzoic acid

16. What is the product of the esterification reaction shown ? 17. What is the IUPAC name of this ester? isopropyl benzoate isopropanoate benzoate isopropyl benzoester isopropyl benzoic acid ester 18. What is the IUPAC name of this compound? cyclobutanol propanoate cyclobutyl propanoate propyl cyclobutanoate 1-propyl cyclobutanoate 19. What is the IUPAC name of this compound? pentanol butanoate butyl pentanoate pentyl butanoate butyl butanoate 20. Give the names of the two substances needed to produce butyl propanoate in an esterification reaction. 1-butanol and 1-propanol butanoic acid and 1-propanol butanoic acid and propanoic acid 1-butanol and propanoic acid

21. Write the organic products when methyl acetate reacts with a. Water and an acid catalyst b. KOH 22. Aspirin that has been stored for a long time may undergo hydrolysis in the presence of water and heat. What are the hydrolysis products of aspirin? Why does a bottle of old aspirin smell like vinegar? 23. Ethyl acetate is a solvent widely used for fingernail polish, plastics, and lacquers. Write the equation of the hydrolysis of ethyl acetate by NaOH.