Relative Lowering of Vapour Pressure

JEE Main Chemistry · Solutions · 10 questions, latest first

• When 0.25 moles of a non-volatile, non-ionizable solute was dissolved in 1 mole of a solvent the vapor pressure of solution was x…20266 April, Shift 1 · Q56
• A non-volatile, non-electrolyte solid solute when dissolved in 40 g of a solvent, the vapour pressure of the solvent decreased…20264 April, Shift 1 · Q75
• ' W ' g of a non-volatile electrolyte solid solute of molar mass ' M ' g mol^-1 when dissolved in 100 mL water, decreases vapour…202624 January, Shift 1 · Q55
• A substance ' X ' (1.5 g) dissolved in 150 g of a solvent 'Y' (molar mass =300 g mol^-1 ) led to an elevation of the boiling…202621 January, Shift 2 · Q71
• When a non-volatile solute is added to the solvent, the vapour pressure of the solvent decreases by 10 mm of Hg. The mole…202523 January, Shift 2 · Q54
• 5 g of a non-volatile, non-electrolyte is dissolved in 100 g of water at 25^° C. The solution showed a boiling point elevation by…20244 April, Shift 1 · Q84
• The vapour pressure of 30 %(w / v) aqueous solution of glucose is ____ mm Hg at 25^° C. [Given: The density of 30 %(w / v),…202315 April, Shift 1 · Q83
• 80 mole percent of MgCl_2 is dissociated in aqueous solution. The vapour pressure of 1.0 molal aqueous solution of MgCl_2 at 38^°…202312 April, Shift 1 · Q84
• What weight of glucose must be dissolved in 100 g of water to lower the vapour pressure by 0.20 mm Hg? (Assume dilute solution is…202311 April, Shift 2 · Q62
• Mass of Urea ( NH_2 CONH_2 ) required to be dissolved in 1000 g of water in order to reduce the vapour pressure of water by 25 %…20236 April, Shift 1 · Q85