1.When 20 g20\,\text{g}20g of naphthoic acid (C11H8O2\text{C}_{11}\text{H}_8\text{O}_2C11H8O2) is dissolved in 50 g50\,\text{g}50g of benzene (Kf=1.72 K⋅kg⋅mol−1K_f = 1.72\,\text{K·kg·mol}^{-1}Kf=1.72K⋅kg⋅mol−1), a freezing point depression of 2 K2\,\text{K}2K is observed. The Van't Hoff factor (iii) isa.0.50.50.5b.111c.222d.333Login to continueOnly logged in users canattempt or see the solution.