Solutions Question 122
Question: Lowering of vapour pressure is highest for [BHU 1997]
Options:
A) Urea
B) $ 0.1M $ glucose
C) $ 0.1,M,MgSO_4 $
D) $ 0.1,M,BaCl_2 $
Show Answer
Answer:
Correct Answer: D
Solution:
$ \frac{P^{0}-P_{s}}{P^{0}}=molality,\times \text{(1-}\alpha +x\alpha +y\alpha ) $ the value of $ P^{0}-P_{s} $ is maximum for $ BaCl_2 $ .