Osmotic pressure of urea solution is `56.6` mm Hg at a temperature of `10^(@)C` . The solution is diluted and the temperature is raised to `40^(@)` C such that the osmotic pressure is found to be `31.3` mm Hg . The extent of dilution will be :

Options

A. `V_("final") = 10 V_("initial")`
B. `V_("final") = 2 V_("initial")`
C. `2V_("final ") = 3V_("initial")`
D. `V_("final") = 20 V_("initial")`

Answer

B