How is the colligative property changed when the solute undergoes association in solution?

Options

A. `alpha=(n(i-1))/(1-n)`
B. `alpha=(i(n-1))/(1+n)`
C. `alpha=(i(n-1))/(1-n)`
D. `alpha=(i(n+1))/(n-1)`

Answer

`alpha=(n(1-i))/(1-n)`