Which of the following relationship is correct ?

Options

A. `K_(b)=(RT_(b)^(2))/(1000xxDeltaV_(v))`
B. `K_(b)=(RT_(b)^(2))/(1000L_(v))`
C. `K_(f)=(RT_(f)^(2))/(1000DeltaH_(f))`
D. `K_(f)=(RT_(f)^(2)xxM)/(1000xxL_(f))`

Answer

B