34. The relative lowering of the vapour pressure is equal to the ration between the number of
a. Solute molecules and solvent molecules
b. Solute molecules and the total molecules in the solution
c. Solvent molecules and the total molecules in the solution
d. Solvent molecules and the total number of ions of the solute
Ans. b
Explanation : The relative lowering of the vapour pressure of dilute solution is equal to the mole fraction of the solute molecule present in the solution
Best Chemistry Teacher in Chandigarh and mohali Flame Institute provides top-notch chemistry coaching with expert faculty, offering comprehensive guidance for IIT-JEE chemistry, NEET chemistry, and CBSE chemistry exams. Our students benefit from detailed explanations of organic chemistry, inorganic chemistry, and …
dm-3 sucrose solution at 20 ° C (molar gas constant, R = 8.314 JK -1 mol -1 ; 1 dm-3 = 0.001 m3 ) a. 4870 Pa b. 4.87 Pa c. 0.00487 Pa d. 0.33 Pa Ans. a (17)
