Benzoic acid is dissolved in benzene, van't Hoff factor will be

Options

A. 1
B. `0.5`
C. `1.5`
D. 2

Answer

B

Explanation

Ironically
`pi_(1)=pi_(2)`
For `Na_(2)SO_(4) ® 2Na^(+)+SO_(4)^(2-)`
& `Ca(NO_(3))® Ca^(2+)+2NO_(3)^(-)`
Both have 2 ions and have same molarity as 0.1 M