MHT CET 2021 20th September Morning Shift | Liquid Solution Question 160 | Chemistry

A solution of 6 g of solute in 100 g of water boils at 100.52$$^\circ$$C. The molal elevation constant of water is 0.52 K kg mol$$^{-1}$$. What is molar mass of solute?

60 g mol$$^{-1}$$

120 g mol$$^{-1}$$

90 g mol$$^{-1}$$

180 g mol$$^{-1}$$

MHT CET 2021 20th September Morning Shift

MCQ (Single Correct Answer)

-0

If vapour pressure of pure solvent and solution are 240 and 216 mm Hg respectively then mole fraction of solvent in solution is

0.9

0.1

0.6

0.4

MHT CET 2020 19th October Evening Shift

MCQ (Single Correct Answer)

-0

The vapour pressure of solvent decreases by 10 mm Hg , if mole fraction of non-volatile solute is 0.2 . Calculate vapour pressure of solvent.

70 mm of Hg

40 mm of Hg

50 mm of Hg

60 mm of Hg

MHT CET 2020 19th October Evening Shift

MCQ (Single Correct Answer)

-0

Which of the following $0-10 \mathrm{~m}$ aqueous solutions will have maximum $\Delta T_f$ value?

$\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}$

$\mathrm{KI}$

$\mathrm{Al}_2\left(\mathrm{SO}_4\right)_3$

$\mathrm{NH}_2-\mathrm{CO}-\mathrm{NH}_2$

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