CH3-CO||-CH2-CH2-CH3→KMnO4/H+X. X in the reaction is/are

On heating with strong oxidant like KMnO4 / H+ ketones undergo C-C cleavage to give lower carboxylic acids.According to popoff's rule during the strong oxidation of ketones, C-C cleavage occurs such a way that the keto group always goes with small alkyl group. So the major products are obtained in possibility-I