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An aqueous solution is prepared by dissolving $0.1 \mathrm{~mol}$ of an ionic salt in $1.8 \mathrm{~kg}$ of water at $35... JEE Advanced 2022 Paper 2 Online The boiling point of water in a 0.1 molal silver nitrate solution (solution A) is x$$^\circ$$C. To this solution A, an e... JEE Advanced 2021 Paper 1 Online The boiling point of water in a 0.1 molal silver nitrate solution (solution A) is x$$^\circ$$C. To this solution A, an e... JEE Advanced 2021 Paper 1 Online Liquids A and B form ideal solution for all compositions of A and B at 25$$^\circ$$C. Two such solutions with 0.25 and ... JEE Advanced 2020 Paper 2 Offline On dissolving 0.5 g of a non-volatile non-ionic solute to 39 g of benzene, its vapor pressure decreases from 650 mmHg to... JEE Advanced 2019 Paper 1 Offline The plot given below shows $$P-T$$ curves (where $$P$$ is the pressure and $$T$$ is the temperature) for two solvents $$... JEE Advanced 2018 Paper 1 Offline Liquids A and B form ideal solution over the entire range of composition. At temperature$$T,$$equimolar binary soluti... JEE Advanced 2018 Paper 1 Offline The mole fraction of a solute in a solution is 0.1. At 298 K, molarity of this solution is the same as its molality. Den... JEE Advanced 2016 Paper 1 Offline A compound H2X with molar weight of 80g is dissolved in a solvent having density of 0.4 gml–1 . Assuming no change in vo... JEE Advanced 2014 Paper 1 Offline MX2 dissociates in M2+ and X- ions in an aqueous solution, with a degree of dissociation ($$\alpha$$) of 0.5. The ratio ... JEE Advanced 2014 Paper 1 Offline 75.2 g of C6H5OH (phenol) is dissolved in a solvent of Kf = 14. If the depression in freezing point is 7 K then find the... IIT-JEE 2006 ## MCQ (Single Correct Answer) More Pure water freezes at$$273K$$and$$1$$bar. The addition of$$34.5g$$of ethanol to$$500g$$of water c... JEE Advanced 2017 Paper 2 Offline The qualitative sketches I, II and III given below show the variation of surface tension with molar concentration of thr... JEE Advanced 2016 Paper 2 Offline For a dilute solution containing 2.5 g of a non-volatile non-electrolyte solute in 100 g of water. the elevation in boil... IIT-JEE 2012 Paper 2 Offline The freezing point (in oC) of a solution containing 0.1 g of K3[Fe(CN)6] (Mol. wt. 329) in 100 g of water (Kf = 1.86 K k... IIT-JEE 2011 Paper 2 Offline The elevation in boiling point of a solution of 13.44 g of CuCl2 in 1kg of water using the following information will be... IIT-JEE 2005 Screening The freezing point of equimolal aqueous solutions will be highest for IIT-JEE 1990 ## MCQ (More than One Correct Answer) More For a solution formed by mixing liquids$$L$$and$$M,$$the vapor pressure of$$L$$plotted against the mole fraction o... JEE Advanced 2017 Paper 1 Offline Mixture (s) showing positive deviation from Raoult’s law at 35oC is (are) JEE Advanced 2016 Paper 2 Offline ## Subjective More 1.22 g of benzoic acid is dissolved in 100 g of acetone and 100 g of benzene separately. Boiling point of the solution i... IIT-JEE 2004 To 500 cm3 of water, 3.0$$\times$\$ 10-3 kg of acetic acid is added. If 23% of acetic acid is dissociated, what will be ...
IIT-JEE 2000
Nitrobenzene is formed as the major product along with a minor product in the reaction of benzene with a hot mixture of ...
IIT-JEE 1999
A solution of a nonvolatile solute in water freezes at -0.30oC. The vapour pressure of pure water at 298 K s 23.51 mm Hg...
IIT-JEE 1998
The molar volume of liquid benzene (density = 0.877 g mL-1) increases by a factor of 2750 as it vaporises at 20oC and th...
IIT-JEE 1996
What weight of the non-volatile solute, urea(NH2 - CO - NH2) needs to be dissolved in 100g of water, in order to decreas...
IIT-JEE 1993
The degree of dissociation of calcium nitrate in a dilute aqueous solution, containing 7.0 g. of the salt per 100 gm of ...
IIT-JEE 1991
The vapour pressure of pure benzene at a certain temperature is 640 mm Hg. A non-volatile non-electrolyte solid weighing...
IIT-JEE 1990
The vapour pressure of a dilute aqueous solution of glucose (C6H12O6) is 750 mm of mercury at 373 K. Calculate (i) molal...
IIT-JEE 1989
The vapour pressure of ethanol and methanol are 44.5 and 88.7 mm Hg respectively. An ideal solution is formed at the sam...
IIT-JEE 1986
An organic compound CxH2yOy was burnt with twice the amount of oxygen needed for complete combustion of CO2 and H2O. The...
IIT-JEE 1983
The vapour pressure of pure benzene is 639.7 mm of mercury and the vapour of a solution of a solute in benzene at the sa...
IIT-JEE 1981
What is the molarity and molality of a 13% solution (by weight) of sulphuric acid with a density of 1.02 g/ml? To what v...
IIT-JEE 1978

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