In the following sequence of reactions, the alkene affords the compound 'B'CH_3CH - CHCH_3 overset(O_3)(to) A underset(Zn) overset(H_2O)(to)Bthe compound B is

In the following sequence of reactions, the alkene affords the compoun

1.	In the following sequence of reactions, the alkene affords the compound 'B'CH_3CH - CHCH_3 overset(O_3)(to) A underset(Zn) overset(H_2O)(to)Bthe compound B is
Answer» `CH_3CH_2CHO` `CH_3COCH_3` `CH_3CH_2COCH_3` `CH_3CHO` ANSWER :D