Solutions questions
1397 published questions with worked solutions.
- Camphor is often used in molecular mass determination because :-
- A solution containing 10 g per dm ^3 of urea (molecular mass = 60 g mol ^ -1 ) is isotonic with a 5% solution of a nonvolatile...
- 1.00 g of a non-electrolyte solute (molar mass 250 g mol ^ -1 ) was dissolved in 51.2 g of benzene. If the freezing point...
- A solution of acetone in ethanol:-
- During osmosis, flow of water through a semipermeable membrane is:-
- 0.5 molal aqueous solution of a weak acid (HX) is 20% ionized. If K_f for water is 1.86 K kg mol ^ -1 , the lowering in freezing...
- A 0.0020 m aqueous solution of an ionic compound Co(NH _3)_5( NO _2) Cl freezes at -0.00732^ C . Number of moles of ions which 1...
- An aqueous solution is 1.00 molal in KI. Which change will cause the vapour pressure of the solution to increase?
- A solution of sucrose (molar mass = 342 g mol ^ -1 ) has been prepared by dissolving 68.5 g of sucrose in 1000 g of water. The...
- A 0.1 molal aqueous solution of a weak acid is 30% ionized. If K_f for water is 1.86 ^ C /m, the freezing point of the solution...
- 200 mL of an aqueous solution of a protein contains its 1.26 g. The Osmotic pressure of this solution at 300 K is found to be...
- The freezing point depression constant for water is -1.86^ C m^ -1 . If 5.00 g Na _2 SO _4 is dissolved in 45.0 g H _2 O , the...
- The van't Hoff factor i for a compound which undergoes dissociation in one solvent and association in other solvent is...
- Mole fraction of the solute in a 1.00 molal aqueous solution is :
- p_A and p_B are the vapour pressure of pure liquid components, A and B, respectively of an ideal binary solution. If x_A...
- How many grams of concentrated nitric acid solution should be used to prepare 250 mL of 2.0 M HNO_3 ? The concentrated acid is 70...
- The boiling point of 0.2 mol kg^ -1 solution of X in water is greater than equimolal solution of Y in water. Which one of the...
- Which one is **not** equal to zero for an ideal solution:-
- Which of the following statements about the composition of the vapour over an ideal 1 : 1 molar mixture of benzene and toluene is...
- At 100^ C the vapour pressure of a solution of 6.5 g of a solute in 100 g water is 732 mm. If K_b = 0.52, the boiling point of...
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Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration