In the preparation of aldehydes from primary alcohols, adehydes formed must be distilled as soon as they are formed. Why ?

Explanation

Aldehydes formed as a result of the oxidation of primary alcohols are prone t o further oxidation and are expected to form acids. Therefore, it is advisable to remove them form the reaction mixture by distillation in case these are low boiling. Otherwise other methods must be used to convert primary alcohols into aldehydes.