Which of the following is the correct ternery diagram for liquid-liquid extraction system comprising of one pair partly soluble (e.g. water-benzene-acetic acid in which A-diluent, B - solvent and C - solute)?

• A. <img src="/_files/images/chemical-engineering/mass-transfer/317-498-1.png">
• B. <img src="/_files/images/chemical-engineering/mass-transfer/317-498-2.png">
• C. <img src="/_files/images/chemical-engineering/mass-transfer/317-498-3.png">
• D. <img src="/_files/images/chemical-engineering/mass-transfer/317-498-4.png">