Alcohol to carboxylic acid
CrO3, H2SO4, H2O
aldehyde to carboxylic acid
1. CrO3, H2O2, H2O 2. toluene
MgX to carboxylic acid
1. CO2 2. H2O
alkyl benzene to carboxylic acid
KMnO4
Cleavage of alkynes R R
1. O32. H2O
Cleavage of alkynes R H
1. O3, H2O