Aldehydes and Ketones — Prelims Questions

Which of the following compounds will give a positive Tollens' test?

Which of the following reagents is used for the conversion of an aldehyde to a primary alcohol?

Which of the following compounds will undergo Cannizzaro reaction?

The product formed when acetone reacts with methylmagnesium bromide ($CH_3MgBr$) followed by hydrolysis is:

Which of the following reagents can be used to convert an acyl chloride ($RCOCl$) to an aldehyde ($RCHO$)?

Which of the following statements about the physical properties of aldehydes and ketones is INCORRECT?