Solutions questions
1397 published questions with worked solutions.
- At 80 ,^ C, the vapour pressure of pure liquid 'A' is 520 mm Hg and that of pure liquid 'B' is 1000 mm Hg. If a mixture of...
- Binary liquid mixtures which exhibit positive deviations from Raoult's law boil at .... temperature than the expected b.p.:
- Osmotic pressure of blood is 7.65 atm at 310 K. An aqueous solution of glucose that will be isotonic with blood is...
- For an ideal binary liquid solution with P_A^0>P_B^0, which relation between X_A (mole fraction of A in liquid phase) and Y_A...
- The molal boiling point constant of water is 0.53 ,^ C. When 2 mole of glucose are dissolved in 4000 g of water, the solution...
- The conditions for the validity of Henry's law are:
- The vapour pressure (VP) of a dilute solution of non-volatile solute is P and the VP of pure solvent is P_0. The lowering of the...
- The plots of 1 X_A vs. 1 Y_A (where X_A and Y_A are the mole fraction of liquid A in liquid and vapour phase respectively) is...
- Equimolar solutions of two non-electrolytes in the same solvent should have:
- The most suitable method for the determination of molecular weight of oxyhaemoglobin, a compound of high molecular weight, is:
- The values of observed and calculated molecular weights of calcium nitrate are respectively 65.6 and 164. The degree of...
- The elevation in boiling point for one molal solution of a solute in a solvent is called:
- At 40 ,^ C, the vapour pressure (in torr) of methyl alcohol (A) and ethyl alcohol (B) solution is represented by: P=120X_A+138;...
- A solution of sucrose (molar mass 342 g mol^ -1 ) has been produced by dissolving 68.5 g sucrose in 1000 g water. The freezing...
- The experimental molecular weight of an electrolyte will always be less than its calculated value because the value of van't Hoff...
- Vapour pressure of a solvent containing non-volatile solute is:
- The vapour pressure of a dilute solution is not influenced by:
- Which pair shows a contraction in volume on mixing along with evolution of heat?
- Insulin (C_2H_ 10 O_5)_n is dissolved in a suitable solvent and the osmotic pressure ( ) of solutions of various concentrations C...
- When the vapour pressure of solutions of two liquids is less than those expected from ideal solutions, they are said to show:
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