Propanone is more soluble in water compared to butane mainly because propanone Propanone is more soluble in water compared to butane mainly because propanone blank.. Propanone is more soluble in water compared to 3-hexanone mainly because propanone Propanone is more soluble in water compared to 3-hexanone mainly because propanone blank.. CH3−CH2−CHO is more soluble in water compared to CH3−CH2−CH3 mainly because CH3−CH2−CHO C H 3 − C H 2 − C H O is more soluble in water compared to C H 3 − C H 2 − C H 3 mainly because C H 3 − C H 2 − C H Oblank.