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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

The following solution/solvent has maximum vapour pressure _______. - Chemistry

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प्रश्न

The following solution/solvent has maximum vapour pressure _______.

पर्याय

  • 1 M copper sulphate solution

  • pure solvent water

  • 0.5 M copper sulphate solution

  • 2 M copper sulphate solution

MCQ
रिकाम्या जागा भरा

उत्तर

The following solution/solvent has maximum vapour pressure pure solvent water.

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Vapour Pressure Lowering
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पाठ 2: Solutions - Multiple choice questions

संबंधित प्रश्‍न

Choose the most correct option.

Pressure cooker reduces cooking time for food because _______.


Answer the following.

How vapour pressure lowering is related to a rise in the boiling point of solution?


Answer the following.

Why vapour pressure of a solvent is lowered by dissolving a nonvolatile solute into it?


According to Raoult’s law, relative lowering of vapour pressure of solution containing dissolved nonvolatile solute _______.


Write the expression for relative lowering of vapour pressure.


The vapour pressure of a pure liquid is 0.043 bar at a certain temperature. When a nonvolatile solute is dissolved into it, the vapour pressure of the solution is found to be 0.041 bar. What is the relative lowering of vapour pressure?


For a very dilute solution, the osmotic pressure is given by π = n2RT/V where V is the volume in L containing n2 moles of nonvolatile solute. Establish the equation for molar mass of solute.


Relative lowering of vapour pressure of a solution of non-volatile solute depend only on ____________.


Which of the following is CORRECT for a solution containing non-volatile solute in it?


In an experiment, 1 g of a non-volatile solute was dissolved in 100 g of acetone (molar mass = 58 g mol−1) at 298 K. The vapour pressure of the solution was found to be 192.5 mm Hg. The molecular weight of the solute is (vapour pressure of acetone = 195 mm Hg) ____________ g mol−1.


The vapour pressure of pure benzene (molar mass 78 g/mol) at a certain temperature is 640 mm Hg. A nonvolatile solute of mass 2.315 g is added to 40 g of benzene. The vapour pressure of the solution is 600 mm Hg. The molar mass of solute is ____________.


At a constant volume, a quantity of an ideal gas has a pressure of 700 mm Hg at 300 K. At what pressure, the temperature will be halved?


According to Raoult's law, relative lowering of vapour pressure for a solution containing a nonvolatile solute is equal to ____________.


Relative lowering in vapour pressure of a solution containing non-volatile solute is the ratio of ____________.


Which of the following is INCORRECT expression in terms of vapour pressure of pure solvent `("P"_1^0)` and that of solution (P)?


The vapour pressure of water at 20°C is 17 mm Hg. The vapour pressure of solution containing 2.8 g urea in 50 g of water is ____________.


Which of the following changes will cause increase in vapour pressure of 1 molal aqueous KI solution at same temperature?


Relative lowering in vapour pressure depends on _______.


12 g of a nonvolatile solute dissolved in 108 g of water produces the relative lowering of vapour pressure of 0.1. The molecular mass of the solute is ______.


State and explain Raoult's law for the solution of non-volatile solutes.


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