Carbonyl Compounds - exam practice

Propanone has a much higher boiling temperature than butane.

The main reason for this is

Ethanal may be prepared by

CH₃CH₂COCH₂CH₃ reacts with hydrogen cyanide to form an organic product called a hydroxynitrile.

Which feature applies to the hydroxynitrile product?

What will react differently with the two isomeric alcohols, (CH₃)₃CCH₂OH and (CH₃)₂CHCH₂CH₂OH?

Which reagent will give similar results with both butanone and butanal?

Compound X contains two functional groups.

Which reagent will react with only one of the functional groups?

3-methylbutanone is treated with alkaline aqueous iodine. The mixture of products is then acidified.

Which compound is present in the final mixture of products?

Structural isomerism and stereoisomerism should be considered when answering this question.

Each of the following carbonyl compounds is reacted with NaBH₄. The product of each reaction is heated with concentrated phosphoric acid at 170°C, generating one product or a mixture of isomers.

Which carbonyl compound will produce the most isomers?

Ketones react with hydrogen cyanide, HCN, in the presence of cyanide ions, CN^-.

Which of these ketones does not form a racemic mixture in this reaction?

Ketones react with hydrogen cyanide, HCN, in the presence of cyanide ions, CN^-.

This type of reaction is classified as

Name the functional group in HCHO.

What is the functional group in C₆H₅COCH₃?

Which of the following compounds would form an orange-red precipitate when heated with Fehling’s solution?

Which alcohol could not be produced by the reduction of an aldehyde or a ketone?

Which compound forms optically active compounds on reduction?

Which of these compounds reacts with iodine and sodium hydroxide in solution to produce a pale yellow precipitate?