HARD
JEE Main/Advance
IMPORTANT
Earn 100

A solution containing 0.011 kg of barium nitrate BaNO32 in 0.1 kg of water boils at 100.46°C. Calculate the degree of ionization of the salt. Kb (water) =0.52 K kg mol-1Ba=137

Important Questions on Solutions

HARD
JEE Main/Advance
IMPORTANT
A certain mass of a substance, when dissolved in 100 g C6H6, lowers the freezing point by 1.28°C. The same mass of solute dissolved in 100 g water lowers the freezing point by 1.40°C. If the substance has normal molecular weight in benzene and is completely ionized in water, into how many ions does it dissociate in water? Kf for H2O and C6H6 are 1.86 and 5.12 K kg mol-1.
HARD
JEE Main/Advance
IMPORTANT
At 300 K, two solutions of glucose in water of concentration 0.01 M and 0.001 M are separated by semipermeable membrane. Pressure needs to be applied on a solution, to prevent osmosis? Calculate the magnitude of this applied pressure in atm?
HARD
JEE Main/Advance
IMPORTANT
The vapour pressure of ethanol and methanol are 44.0 mm and 88.0 mm Hg respectively. An ideal solution is prepared at the same temperature by mixing 69 g of ethanol with 40 g of methanol. Calculate total vapour pressure of the solution.
EASY
JEE Main/Advance
IMPORTANT
A dilute solution of H2SO4 is made by adding 5 mL of 3 NH2SO4 to 245 mL of water. Find the normality and molarity of the solution.
EASY
JEE Main/Advance
IMPORTANT
10 gCaCO3 were dissolved in 250 mL of MHCl and the solution was boiled. What volume of 2 M KOH would be required to equivalence point after boiling? Assume no change in volume during boiling.
EASY
JEE Main/Advance
IMPORTANT
5 litre of a solution of H2O2 with x N strength is diluted to 5.5 litre. This 5.5 litre H2O2 solution gives 28 litre O2 at NTP. Find the value of x.
HARD
JEE Main/Advance
IMPORTANT
Two beaker A and B present in a closed vessel. Beaker A contains 152.4 g aqueous solution of urea, containing 12 g of urea. Beaker B contains 196.2 g aqueous solution of glucose, containing 18 g of glucose. Both solutions allowed to attain the equilibrium. Determine w/w% of glucose in its solution at equilibrium.
HARD
JEE Main/Advance
IMPORTANT
The vapour pressure of two pure liquids A and B, that form an ideal solution, are 100 and 900 torr respectively at temperature T. This liquid solution of A and B is composed of 1 mole of A and 1 mole of B. What will be the pressure, when 1 mole of mixture has been vaporized ?