Three products are obtained by the ozonolysis of penta- 1,3-diene. Out of these if two products are formaldehyde and acetaldehyde, the name of the third one is (AFMC 2009)

Ozonolysis can be defined as the oxidation of alkenes, alkynes in presence of ozone to give aldehyde, ketones, or carboxylic acids as a product. Three products obtained on the ozonolysis of penta 1,3 diene are shown below: Hence, the correct option is (c).