Liquid Solution Questions

An example of colligative property is-

The molal elevation/depression constant depends upon -

In cold countries, ethylene glycol is added to water in the radiators of cars during winters. It results in-

Which statement is correct for the boiling point of solvent containing a dissolved solid substance-

The elevation of boiling point method is used for the determination of molecular weight of-

Solute when dissolved in water -

Which of the following is not a colligative property -

Azeotropic mixture of water and HCl boils at 381.5 K. By distilling the mixture it is possible to obtain-

Which pair shows a contraction in volume on mixing along with evolution of heat-

Solutions distilled without change in composition at a temperature are called-

When one mole of non-volatile solute is dissolved in three moles of solvent, the vapour pressure of the solution relative to the vapour pressure of the pure solvent is -

Pure water will boil at 101.5°C at which of the following pressure -

An ideal solution is that which-

An ideal solution was obtained by mixing methanol and ethanol. If the partial vapour pressure of methanol and ethanol are 2.619 kPa and 4.556 kPa respectively, the composition of vapour (in terms of mole fraction) will be -

Which of the following conditions is not correct for ideal solution-

Which of the following is not correct for ideal solution -

Binary liquid mixtures which exhibit positive deviations from Raoult's law boil at ..... temperature than the expected b.pt -

A solution of sulphuric acid in water exhibits -

Boiling point of water is defined as the temperature at which –

When a substance is dissolved in a solvent, the vapour pressure of solvent decreases. This brings -

Given at 350 K , p°A = 300 torr and p°B = 800 torr, the composition of the mixture having a boiling point of 350 K is -

The boiling point of C₆H₆, CH₃OH, C₆H₅NH₂ and C₆H₅NO₂ are 80°C, 65°C, 184°C and 212°C respectively. Which will show highest vapour pressure at room temperature-

The relative lowering in vapour pressure is-

Vapour pressure of a solvent containing nonvolatile solute is -

The vapour pressures of ethanol and methanol are 42.0 mm and 88.5 mm Hg respectively. An ideal solution is formed at the same temperature by mixing 46.0 g of ethanol with 16.0 g of methanol. The mole fraction of methanol in the vapour is-

If 100 mL of 1.0 M NaOH solution is diluted to 1.0 L, the resulting solution contains-

10 gram of glucose are dissolved in 150 gram of water. The mass % of glucose is-

25 mL of 3.0 M HNO₃ are mixed with 75 mL of 4.0 M HNO₃. If the volumes are additive, the molarity of the final mixture would be-

All of the water in a 0.20 M solution of NaCl was evaporated and 0.150 mol of NaCl was obtained. What was the original volume of the sample?

H₂O₂ solution used for hair bleaching is sold as a solution of approximately 5.0 g H₂O₂ per 100 mL of the solution. The molecular weight of H₂O₂ is 34. The molarity of this solution is approximately-

The amount of H₂SO₄ present in 400 mL of 0.1 M solution of the acid is -

In the aqueous solution of sulphuric acid the mole fraction of water is 0.85. The molality of the solution is-

The mole fraction of NaCl in a solution containing 1 mole of NaCl in 1000 g of water is-

A solution contains one mole of alcohol and four moles of water. What are the mole fractions of water and alcohol-

3.0 molal NaOH solution has a density of 1.110 g/mL. The molarity of the solution is-

The number of moles present in 2 litre of 0.5 M NaOH is-

10 mL of concentrated H₂SO₄ (18 M) is diluted to one litre. The approximate strength of the dilute acid is-

The molality of 15% (wt./vol.) solution of H₂SO₄ of density 1.1 g/cm³ is approximately-

5.85 g of NaCl are dissolved in 90 g of water. The mole fraction of NaCl is-

How many grams of glucose should be dissolved to make one litre solution of 10% (w/v) glucose-

How many grams of NaOH will be needed to prepare 250 mL of 0.1 M solution-

Density of water is 1 g/mL. The concentration of water in mol/litre is-

The hardness of water is usually expressed in-

Which of the following is correct-

The units of mole fraction of a compound in solution are-

Molarity of a solution relates the-

A molal solution is one that contains one mole of a solute in-

The molarity of a glucose solution containing 36 g of glucose per 400 mL of the solution is-

Aqueous solutions of 0.004 M Na2SO4 and 0.01 M Glucose are isotonic. The degree of dissociation of Na2SO4 is

The normality of 0.3 M phosphorous acid (H3PO3) is -