Mention at least two simple chemical tests by which you can distinguish between benzaldehyde and benzoic acid.

Which of the following will give a positive Tollens' test? (12.4)

a. propanal

b. ethanol

c. ethyl methyl ether

Which of the following will give a positive Tollens' test? (12.4)

a. 1-propanol

b. 2-propanol

c. hexanal

A fundamental difference between aldehydes and ketones is that one can be oxidized to carboxylic acids but the other cannot. Which is which? Give an example of a test to differentiate aldehydes from ketones.

Which of the following compounds will react with Tollens' reagent? With Benedict's reagent?

a. Cyclopentanon

b. Hexanal

c. <IMAGE>

Determine the product formed when the following compound undergoes the Benedict's test.

Under the following test, which structure represents the product formed?

What was the starting material that created the following carboxylic acid product?

Draw the product when 2,3,5-trimethyloctanal is submerged in a basic copper (II) solution.