1
MHT CET 2021 22th September Morning Shift
+1
-0

Molal depression constant for a liquid is $$2.77^{\circ} \mathrm{C} ~\mathrm{kg} ~\mathrm{mol}^{-1}$$, in Kelvin scale it's value is

A
$$275.77 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$$
B
$$271.77 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$$
C
$$2.77 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$$
D
$$27.7 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$$
2
MHT CET 2021 22th September Morning Shift
+1
-0

If 6 g of solute dissolved in 100 g of water lowers the freezing point by 0.93 K. What is molar mass of solute? (K$$_\mathrm{f}$$ = 1.86 K kg mol$$^{-1}$$)

A
120 g mol$$^{-1}$$
B
60 g mol$$^{-1}$$
C
90 g mol$$^{-1}$$
D
180 g mol$$^{-1}$$
3
MHT CET 2021 21th September Evening Shift
+1
-0

What is vapour pressure of a solution when $$2 \mathrm{~mol}$$ of a non-volatile solute are dissolved in $$20 \mathrm{~mol}$$ of water? $$\left(\mathrm{P}_1^0=32 \mathrm{~mm} \mathrm{Hg}\right)$$

A
$$29.1 \mathrm{~mm} \mathrm{~Hg}$$
B
$$12 \mathrm{~mm} \mathrm{~Hg}$$
C
$$6 \mathrm{~mm} \mathrm{~Hg}$$
D
$$9 \mathrm{~mm} \mathrm{~Hg}$$
4
MHT CET 2021 21th September Evening Shift
+1
-0

In which of the following salts, the solubility increases appreciably with increase in temperature?

A
KBr
B
NaBr
C
NaCl
D
KCl
EXAM MAP
Medical
NEET