Draw the reaction that would transform 3-methylbutan-1-ol to 3-methylbutanoic acid.

Draw the reaction that would transform 3-methylbutan-1-ol to 3-methylbutanal.

Draw the reaction that would transform 3-methylbutan-1-ol to 3-methylbutanoic acid.

Draw the reaction that would transform benzaldehyde to benzyl alcohol.

Sodium borodeuteride is a commercially available reducing reagent that can convert aldehydes and ketones to the corresponding alcohols along with an isotopic label. Draw the reaction between benzaldehyde and sodium borodeuteride showing the position of isotopic labeling.