Osmotic Pressure and Reverse Osmosis

JEE Main Chemistry · Solutions · 18 questions, latest first

• Given below are two statements: Statement I: H_2 O molecules move from the chamber 1 to chamber 2. Statement II: The osmotic…20266 April, Shift 2 · Q55
• 20 g hemoglobin in a 1 L aqueous solution ( A ) at 300 K is separated from pure water by semi permeable membrane. At equilibrium…20265 April, Shift 2 · Q73
• At 27^° C, 0.1 M, 1 L K_4[Fe(CN)_6] aqueous solution and 0.1 M, 1 L FeCl_3 aqueous solution are placed in a container separated…20264 April, Shift 2 · Q54
• Solution A is prepared by dissolving 1 g of a protein (molar mass =50000 g mol^-1 ) in 0.5 L of water at 300 K. Its osmotic…20262 April, Shift 2 · Q55
• A solution is prepared by dissolving 0.3 g of a non-volatile non-electrolyte solute 'A' of molar mass 60 g mol^-1 and 0.9 g of a…202624 January, Shift 1 · Q54
• The osmotic pressure of a living cell is 12 atm at 300 K. The strength of sodium chloride solution that is isotonic with the…202621 January, Shift 2 · Q72
• X Y is the membrane/partition between two chambers 1 and 2 containing sugar solutions of concentration c_1 and c_2(c_1>c_2) mol…20254 April, Shift 1 · Q55
• Assume a living cell with 0.9 %(ω / ω) of glucose solution (aqueous). This cell is immersed in another solution having equal mole…202528 January, Shift 2 · Q53
• 0.05 M CuSO_4 when treated with 0.01 M K_2 Cr_2 O_7 gives green colour solution of Cu_2 Cr_2 O_7. The two solutions are separated…20249 April, Shift 1 · Q63
• Consider the dissociation of the weak acid HX as given below HX(aq) ⇌ H^+(aq)+X^-(aq), Ka=1.2 × 10^-5 [K_a:. dissociation…20246 April, Shift 1 · Q84
• An artificial cell is made by encapsulating 0.2 M glucose solution within a semipermeable membrane. The osmotic pressure…20245 April, Shift 1 · Q84
• The osmotic pressure of a dilute solution is 7 × 10^5 Pa at 273 K. Osmotic pressure of the same solution at 283 K is ____ × 10^4…202429 January, Shift 1 · Q84
• Solution of 12 g of non-electrolyte prepared by dissolving it in 1000 mL of water exerts the same osmotic pressure as that of…202313 April, Shift 1 · Q84
• An aqueous solution of volume 300 cm^3 contains 0.63 g of protein. The osmotic pressure of the solution at 300 K is 1.29 mbar.…202310 April, Shift 2 · Q84
• Consider the following pairs of solution which will be isotonic at the same temperature. The number of pairs of solutions is /…20236 April, Shift 2 · Q84
• At 27^° C, a solution containing 2.5 g of solute in 250.0 mL of solution exerts an osmotic pressure of 400 Pa. The molar mass of…202331 January, Shift 1 · Q54
• The number of pairs of the solutions having the same value of the osmotic pressure from the following is ____. (Assume 100\%…202325 January, Shift 2 · Q54
• The osmotic pressure of solutions of PVC in cyclohexanone at 300 K are plotted on the graph. The molar mass of PVC is ____ g…202325 January, Shift 1 · Q54