Relative Lowering of Vapour Pressure
CHXII02:SOLUTIONS

319321 Lowering of vapour pressure of an aqueous solution of a non-volatile, non-electrolyte \(1 \mathrm{~m}\) aqueous solution at \(100^{\circ} \mathrm{C}\) is

1 14.12 torr
2 312 torr
3 13.45 torr
4 352 torr
CHXII02:SOLUTIONS

319322 If vapour pressure of pure solvent and solution are \({\text{240}}\) and \({\text{216\;}}\,\,{\text{mm}}\,\,{\text{Hg}}\) respectively then mole dfraction of solvent in solution is

1 0.9
2 0.1
3 0.6
4 0.4
CHXII02:SOLUTIONS

319323 Relative lowering of vapour pressure of a dilute solution of glucose dissolved in 1 kg of water is 0.002. The molality of the solution is

1 0.004
2 0.222
3 0.111
4 0.021
CHXII02:SOLUTIONS

319324 Vapour pressure of a pure solvent is 100 mm Hg . When certain amount of nonvolatile, non-electrolyte solute added it, its vapour pressure is lowered by 10 mm Hg . The value of mole fraction of solute will be ____.

1 10
2 0.01
3 0.5
4 0.1
CHXII02:SOLUTIONS

319325 Vapour pressure of water at 293K is 17.535mm Hg. The vapour pressure of the solution at 293K when 25g of glucose is dissolved in 450g of water is

1 17.44 mm Hg
2 1.744 mm Hg
3 16.44 mm Hg
4 17.535 mm Hg
CHXII02:SOLUTIONS

319321 Lowering of vapour pressure of an aqueous solution of a non-volatile, non-electrolyte \(1 \mathrm{~m}\) aqueous solution at \(100^{\circ} \mathrm{C}\) is

1 14.12 torr
2 312 torr
3 13.45 torr
4 352 torr
CHXII02:SOLUTIONS

319322 If vapour pressure of pure solvent and solution are \({\text{240}}\) and \({\text{216\;}}\,\,{\text{mm}}\,\,{\text{Hg}}\) respectively then mole dfraction of solvent in solution is

1 0.9
2 0.1
3 0.6
4 0.4
CHXII02:SOLUTIONS

319323 Relative lowering of vapour pressure of a dilute solution of glucose dissolved in 1 kg of water is 0.002. The molality of the solution is

1 0.004
2 0.222
3 0.111
4 0.021
CHXII02:SOLUTIONS

319324 Vapour pressure of a pure solvent is 100 mm Hg . When certain amount of nonvolatile, non-electrolyte solute added it, its vapour pressure is lowered by 10 mm Hg . The value of mole fraction of solute will be ____.

1 10
2 0.01
3 0.5
4 0.1
CHXII02:SOLUTIONS

319325 Vapour pressure of water at 293K is 17.535mm Hg. The vapour pressure of the solution at 293K when 25g of glucose is dissolved in 450g of water is

1 17.44 mm Hg
2 1.744 mm Hg
3 16.44 mm Hg
4 17.535 mm Hg
CHXII02:SOLUTIONS

319321 Lowering of vapour pressure of an aqueous solution of a non-volatile, non-electrolyte \(1 \mathrm{~m}\) aqueous solution at \(100^{\circ} \mathrm{C}\) is

1 14.12 torr
2 312 torr
3 13.45 torr
4 352 torr
CHXII02:SOLUTIONS

319322 If vapour pressure of pure solvent and solution are \({\text{240}}\) and \({\text{216\;}}\,\,{\text{mm}}\,\,{\text{Hg}}\) respectively then mole dfraction of solvent in solution is

1 0.9
2 0.1
3 0.6
4 0.4
CHXII02:SOLUTIONS

319323 Relative lowering of vapour pressure of a dilute solution of glucose dissolved in 1 kg of water is 0.002. The molality of the solution is

1 0.004
2 0.222
3 0.111
4 0.021
CHXII02:SOLUTIONS

319324 Vapour pressure of a pure solvent is 100 mm Hg . When certain amount of nonvolatile, non-electrolyte solute added it, its vapour pressure is lowered by 10 mm Hg . The value of mole fraction of solute will be ____.

1 10
2 0.01
3 0.5
4 0.1
CHXII02:SOLUTIONS

319325 Vapour pressure of water at 293K is 17.535mm Hg. The vapour pressure of the solution at 293K when 25g of glucose is dissolved in 450g of water is

1 17.44 mm Hg
2 1.744 mm Hg
3 16.44 mm Hg
4 17.535 mm Hg
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CHXII02:SOLUTIONS

319321 Lowering of vapour pressure of an aqueous solution of a non-volatile, non-electrolyte \(1 \mathrm{~m}\) aqueous solution at \(100^{\circ} \mathrm{C}\) is

1 14.12 torr
2 312 torr
3 13.45 torr
4 352 torr
CHXII02:SOLUTIONS

319322 If vapour pressure of pure solvent and solution are \({\text{240}}\) and \({\text{216\;}}\,\,{\text{mm}}\,\,{\text{Hg}}\) respectively then mole dfraction of solvent in solution is

1 0.9
2 0.1
3 0.6
4 0.4
CHXII02:SOLUTIONS

319323 Relative lowering of vapour pressure of a dilute solution of glucose dissolved in 1 kg of water is 0.002. The molality of the solution is

1 0.004
2 0.222
3 0.111
4 0.021
CHXII02:SOLUTIONS

319324 Vapour pressure of a pure solvent is 100 mm Hg . When certain amount of nonvolatile, non-electrolyte solute added it, its vapour pressure is lowered by 10 mm Hg . The value of mole fraction of solute will be ____.

1 10
2 0.01
3 0.5
4 0.1
CHXII02:SOLUTIONS

319325 Vapour pressure of water at 293K is 17.535mm Hg. The vapour pressure of the solution at 293K when 25g of glucose is dissolved in 450g of water is

1 17.44 mm Hg
2 1.744 mm Hg
3 16.44 mm Hg
4 17.535 mm Hg
CHXII02:SOLUTIONS

319321 Lowering of vapour pressure of an aqueous solution of a non-volatile, non-electrolyte \(1 \mathrm{~m}\) aqueous solution at \(100^{\circ} \mathrm{C}\) is

1 14.12 torr
2 312 torr
3 13.45 torr
4 352 torr
CHXII02:SOLUTIONS

319322 If vapour pressure of pure solvent and solution are \({\text{240}}\) and \({\text{216\;}}\,\,{\text{mm}}\,\,{\text{Hg}}\) respectively then mole dfraction of solvent in solution is

1 0.9
2 0.1
3 0.6
4 0.4
CHXII02:SOLUTIONS

319323 Relative lowering of vapour pressure of a dilute solution of glucose dissolved in 1 kg of water is 0.002. The molality of the solution is

1 0.004
2 0.222
3 0.111
4 0.021
CHXII02:SOLUTIONS

319324 Vapour pressure of a pure solvent is 100 mm Hg . When certain amount of nonvolatile, non-electrolyte solute added it, its vapour pressure is lowered by 10 mm Hg . The value of mole fraction of solute will be ____.

1 10
2 0.01
3 0.5
4 0.1
CHXII02:SOLUTIONS

319325 Vapour pressure of water at 293K is 17.535mm Hg. The vapour pressure of the solution at 293K when 25g of glucose is dissolved in 450g of water is

1 17.44 mm Hg
2 1.744 mm Hg
3 16.44 mm Hg
4 17.535 mm Hg