What is the product of the given reaction?

Please choose the best answer for the following question.

Which of the following reagents is best for converting a primary alcohol to a carboxylic acid?

Which of the following is not a derivative of a carboxylic acid?

Which of the following reagents is needed to convert an amide into a carboxylic acid?

Which one of the following compounds can produce a carboxylic acid only when reacted with sodium dichromate and sulfuric acid?

When 3-chloroheptane undergoes malonic ester synthesis, the final product is __________.

Which of the following reactions would NOT produce a carboxylic acid?