Q 2415345269.     If M is molecular weight of solvent, `K_b` is molal
elevation constant, `T_b` is its boilling point. `p^0` is
its vapour pressure at temperature `T` and `p_s` is
vapour pressure of its solution having a
non-volatile solute at `T` `K`, then

UPSEE 2014
A

` ( p^0 - p_s)/p^0 = (Delta T_b)/K_b xx M`

B

` ( p^0 - p_s)/p^0 = K_b(Delta T_b) xx M`

C

` ( p^0 - p_s)/p^0 = K_b/(Delta T_b) xx M/(1000)`

D

` ( p^0 - p_s)/p^0 = (Delta T_b)/K_b xx M/(1000)`

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