EASY
JEE Main
IMPORTANT
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The size of a raw mango shrinks to a much smaller size when kept in a concentrated salt solution. Which one of the following process can explain this?

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Important Questions on Solutions

MEDIUM
JEE Main
IMPORTANT
An open beaker of water in equilibrium with water vapour is in a sealed container. When a few grams of glucose are added to the beaker of water, the rate at which water molecules :
EASY
JEE Main
IMPORTANT
For an ideal solution of two components A & B, which of the following is true?
HARD
JEE Main
IMPORTANT
The observed osmotic pressure for a 0.10 M solution of Fe(NH4)2(SO4)2 at 25°C is 10.8 atm. The expected and experimental (observed) values of Van't Hoff factor 'i' will be respectively;  (R = 0.082 L atm k- mol-1)
HARD
JEE Main
IMPORTANT
Choose the correct statement with respect to the vapour pressure of a liquid among the following :
EASY
JEE Main
IMPORTANT
The mass of a non-volatile, non-electrolyte solute (molar mass = 50 g mol-1) needed to be dissolved in 114 g octane to reduce its vapour pressure by 75%, is:
HARD
JEE Main
IMPORTANT
Molecules of benzoic acid C6H5COOH dimerise in 30g of benzene. ' w ' g of benzoic acid shows a depression in freezing point equal to K. If the percentage association of the acid to form dimer in the solution is 80, then w is: ( Given that Kf=5 K kg mol-1, molar mass of benzoic acid =122 gmol-1)
MEDIUM
JEE Main
IMPORTANT
The freezing point of a 4% aqueous solution of X is equal to the freezing point of a 12% aqueous solution of Y. If the molecular weight of X is A, then the molecular weight of Y will be
MEDIUM
JEE Main
IMPORTANT
A solution is prepared by dissolving 0.6 g of urea (molar mass =60 g mol-1) and 1.8 g of glucose (molar mass =180 g mol-1) in 100 mL of water at 27oC. The osmotic pressure of the solution is:
(R=0.08206 L atm K-1 mol-1)