aldehydes and ketones reactions worksheet

The oxidation of a secondary alcohol produces a ketone as shown below Tertiary (3o) alcohols cannot be converted to aldehydes or ketones by oxidation

Aldehydes and ketones can react in a similar way with alcohols to form hemiacetals and acetals, as shown below 3 Hemiacetal formation follows the same 

Why? Aldehydes are more reactive than ketones in NUCLEOPHILIC ADDITION reactions The transition state for addition is less crowded and lower in energy for  

These are important reactions for you to be able to make the transformations necessary to do WIN\My Documents\classes\316\C14 Syn Problems\rxn worksheet doc clue: COH group could have been C=O group (aldehyde or ketone) C C

10 Carbonyl Group Reactions • Carbonyl groups in aldehydes and ketones may be oxidized to form compounds at the next “oxidation level”, that of carboxylic 

I Aldehydes and ketones Aldehydes and ketones are the simplest and most important carbonyl followed by reaction with zinc dust and water gives aldehydes, 12 2 1 Preparation of Answers to Some Intext Questions 12 1 (i) ( iv) (ii) (v)

Worksheet - Organic Redox Reactions Certain organic compounds ketone LiAlH4 NaBH4 30 alcohol: no reaction HalPt aldehyde LiAlH4 carboxylic acid

MnO4 carboxylic acid 1° alcohol CH, OH H-C H-30 БОН OH 2º alcohol ketone ketone CH3-CH-CH2 CH3-C-CH3 CH:—C-CH3 OH 3° alcohol no reaction

The presence of the carbonyl oxygen does allow aldehydes and ketones to form attractions In these types of reactions, oxygen atoms can be supplied by air or by compounds known as Worksheet 1 5: Aldehydes and Ketones p 46 Q 1, 2,