Problems and exercisesReduction

1. Reduction products

Give the product of the NaBH₄ reduction of:

1. Propanal
2. Cyclohexanone
3. Acetophenone (C₆H₅COCH₃)

2. Selectivity

What is obtained when ethyl 4-oxopentanoate, CH₃COCH₂CH₂COOEt, is reduced with NaBH₄? And with LiAlH₄?

3. Oxidation states

What is the oxidation state of the functional carbon in methanol, formaldehyde and formic acid?