Solutions Question 400

Question: Vapour pressure of CCl4 at 25oC is 143 mm of Hg. 0.5 gm of a non-volatile solute (mol. wt. = 65) is dissolved in 100 ml CCl4. Find the vapour pressure of the solution (Density of CCl4=1.54,g.cm3 )

Options:

A) 141.93 mm

B) 94.39 mm

C) 199.34 mm

D) 143.99 mm

Show Answer

Answer:

Correct Answer: A

Solution:

PoPSPo=w×Mm×Wps=popo(w×Mm×W) =1430.5×15465×158×143 =143-1.07=141.93 mm.



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक