(Solved): answer both questions for thumbs up or dont answer  5. Carboxylic acids are synthesized from al ...

5. Carboxylic acids are synthesized from alkyl halides via Grignard reagent carboxylation or nitrile hydrolysis. Choose the best method for effecting each of the following conversions. Explain each of your choices. If neither method or both are appropriate, explain. 6. Methyl butanoate has been isolated from pineapple oil and can be prepared by the Fischer esterification reaction shown below. Write the complete stepwise mechanism for this reaction. Show all electron flow with arrows and include all intermediate structures. \( +\mathrm{CH}_{3} \mathrm{OH} \)