JEE Main Solutions questions
16 Chemistry questions on Solutions as asked in JEE Main, newest first. 9 come with a worked solution.
- What is the mass ratio of ethylene glycol (C_2H_6O_2, molar mass = 62 g/mol) required for making 500 g of 0.25 molal aqueous solution and 250 mL of 0.25 molal aqueous solution?
2023 · with solution
- '25 volume' hydrogen peroxide means
2023 · with solution
- In the depression of freezing point experiment A. Vapour pressure of the solution is less than that of pure solvent B. Vapour pressure of the solution is more than that of pure solvent C. Only solute molecules solidify…
2023 · with solution
- 5 g of NaOH was dissolved in deionized water to prepare a 450 mL stock solution. What volume (in mL) of this solution would be required to prepare 500 mL of 0.1 M solution? Given: Molar Mass of Na, O and H is 23, 16 and…
2023 · with solution
- The number of units, which are used to express concentration of solutions from the following is Mass percent, Mole, Mole fraction, Molarity, ppm, Molality
2023 · with solution
- The number of pairs of the solutions having the same value of the osmotic pressure from the following is ________. (Assume 100% ionization) A. 0.500 M C_2H_5OH (aq) and 0.25 M KBr (aq) B. 0.100 M K_4[Fe(CN)_6] (aq) and…
2023
- The total pressure observed by mixing two liquids A and B is 350 mm Hg when their mole fractions are 0.7 and 0.3 respectively. The total pressure becomes 410 mm Hg if the mole fractions are changed to 0.2 and 0.8…
2023
- Solid Lead nitrate is dissolved in 1 litre of water. The solution was found to boil at 100.15° C. When 0.2 mol of NaCl is added to the resulting solution, it was observed that the solution froze at -0.8° C. The…
2023
- The osmotic pressure of solutions of PVC in cyclohexanone at 300 K are plotted on the graph. The molar mass of PVC is __________ g mol^-1 (Nearest integer) [figure] (Given : R = 0.083 L atm K^-1 mol^-1)
2023
- 8 g of NaOH is dissolved in 18 g of H_2O. Mole fraction of NaOH in solution and molality (in mol kg^-1) of the solution respectively are
2019 · with solution
- The amount of sugar (C_12H_22O_11) required to prepare 2 L of its 0.1 M aqueous solution is
2019 · with solution
- A solution of sodium sulphate contains 92 g of Na^+ ions per kilogram of water. The molality of Na^+ ions in that solution in mol kg^-1 is
2019
- The molarity of a solution obtained by mixing 750 mL of 0.5 M HCl with 250 mL of 2 M HCl will be
2013 · with solution
- Dissolving 120 g of urea (mol. wt. 60) in 1000 g of water gave a solution of density 1.15 g/mL. The molarity of the solution is
2011
- In which mode of expression, the concentration of a solution remains independent of temperature?
1988
- A molal solution is one that contains one mole of solute in
1986 · with solution
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