Option 1: (A)-(I), (B)-(II), (C)-(III), (D)-(IV) -> Incorrectly matches Raoult's law with Henry's law equation and misplaces colligative property formulas.
Option 2: (A)-(III), (B)-(I), (C)-(IV), (D)-(II) -> Correctly matches all laws and colligative properties with their respective equations.
Option 3: (A)-(II), (B)-(III), (C)-(I), (D)-(IV) -> Incorrectly assigns freezing point depression formula to Raoult's law and completely mismatches others.
Option 4: (A)-(III), (B)-(IV), (C)-(I), (D)-(II) -> While Raoult's law is correct, Henry's law is wrongly matched with boiling point elevation.
Hence, Option 2: (A)-(III), (B)-(I), (C)-(IV), (D)-(II) -> Raoult's law (p=x1p1°+x2p2°) gives total vapor pressure in ideal solutions, Henry's law (p=kB.x) relates gas solubility to partial pressure, elevation of boiling point uses ΔTb=Kbm, and depression in freezing point uses ΔTf=Kfm -> correct