Solutions questions
1397 published questions with worked solutions.
- If M is molecular weight of solvent, K_b is molal elevation constant, T_b is its boiling point, p^ is its vapour pressure at...
- Solute is non-volatile and solvent molecule is volatile. Which of the following has maximum contribution in vapour phase?
- When two liquids A and B are mixed then their boiling points becomes greater than both of them. What is the nature of this...
- Vapour pressure of CCl_4 at 25 ℃ is 143 mm of Hg and 0.5 g of a non-volatile solute (mol. wt. = 65) is dissolved in 100 mL CCl_4...
- The vapour pressure of two liquids P and Q are 100 and 50 torr, respectively. The total vapour pressure of solution obtained by...
- At 40 ℃, the vapour pressure of pure liquids, benzene and toluene, are 160 mmHg and 60 mm Hg respectively. At the same...
- The solution which shows large positive deviation from Raoult's law form
- What happens to freezing point of benzene when naphthalene is added?
- A 5.25% solution of a substance is isotonic with a 1.5% solution of urea (molar mass = 60 g mol^ -1 ) in the same solvent. If the...
- The difference between the boiling point and freezing point of an aqueous solution containing sucrose (mol. wt. = 342 g mol^ -1 )...
- A 6% solution of urea is isotonic with
- Which of the following is not a colligative property?
- In an osmotic pressure measurement experiment, a 5% solution of compound 'X' is found to be isotonic with a 2% acetic acid...
- A solution of urea (mol. mass 56 g mol^ -1 ) boils at 100.18^ C at the atmospheric pressure. If K_f and K_b for water are 1.86...
- The molal elevation constant of water is 0.52^ C ,m^ -1 . The boiling point of 1.0 molal aqueous KCl solution (assuming complete...
- A solution containing 4 g of polyvinyl chloride polymer in 1 L of dioxane was found to have an osmotic pressure of 4.1 10^ -4 atm...
- At 25^ C , the highest osmotic pressure is exhibited by 0.1 M solution of
- Calculate the molal depression constant of a solvent which has freezing point 16.6^ C and latent heat of fusion 180.75 J ,g^ -1
- The freezing point of 1% solution of lead nitrate in water will be
- The relative lowering of vapour pressure of a dilute aqueous solution containing non-volatile solute is 0.0125. The molality of...
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