Methods of Preparation — Prelims Questions

Which of the following reagents would effectively convert 1-butanol to butanoic acid?

An alkyl halide, $CH_3CH_2Br$, is reacted with $KCN$ to form product X. Product X is then subjected to acidic hydrolysis. What is the final product?

Which of the following reactions would produce benzoic acid?

Which of the following carboxylic acid derivatives is most readily hydrolyzed to its parent carboxylic acid?

What is the product formed when ethyl acetate is subjected to basic hydrolysis followed by acidification?

Which of the following compounds will NOT yield benzoic acid upon oxidation with $KMnO_4/H^+$ and heat?