Question

What reagents leads to the formation of aldehydes as the final product?

Answer 1

Reagent depends upon what kind of reactant you have taken to change in aldehyde .
KMNO4 , K2CR2O7 , NABH4 , LIALH4 , HIO4 OSO4 , these are the few examples

Answer 2

k2cr2o7 and kmno4 are the reagent that forms aldehyde