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Propanol would prefer to be in the organic layer (the dichloromethane layer), due to its nonpolar character and its similar solubility in organic solvents. Dichloromethane is a nonpolar solvent, meaning it does not have a net electrical charge and is immiscible with water. Propanol is also a nonpolar solvent, and as a result, it is more soluble in dichloromethane than in water. Therefore, if you have an even amount of water and dichloromethane, propanol would prefer to be in the dichloromethane layer.