मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

The following solution/solvent has maximum vapour pressure _______.

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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
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उत्तर

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

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Vapour Pressure Lowering
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
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?


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?


Give two points to explain why vapour pressure of solvent is lowered by dissolving nonvolatile solute into it.


Which of the following is NOT a colligative property?


The vapour pressure of solvent decreases by 1 O mm Hg, if mole fraction of non-volatile solute is 0.2. Calculate vapour pressure of solvent.


The vapour pressure of pure solvent and solution are 120 mm Hg and 108 mm Hg respectively. The mole fraction of the solvent in the solution is ____________.


Which of the following is CORRECT statement?


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?


What will be the molar mass of solute if vapour pressure of pure benzene is 450 mm Hg when 1.5 g of non-volatile solute is added to 30 g of benzene?
(Vapour pressure of solution= 400 mm Hg, Atomic mass C = 12, H = 1)


38.4 g of unknown substance (molar mass 384 g mol-1) and 116 g of acetone is used to prepare a solution at 313 K. If vapour pressure of pure acetone (molar mass 58 g mol-1) is 0.842 atmosphere, what is the vapour pressure of solution?


The vapour pressure of a solvent A is 0.80 atm. When a non-volatile substance B is added to this solvent its vapour pressure drops to 0.6 atm. the mole fraction of B in the solution is ______.


Which of the following solutions will have the maximum lowering of vapour pressure at 300 K?


The vapour pressure of 100 g of water reduces from 17.53 mm to 17.22 mm when 17.10 g, of substance X is dissolved in it. Substance X can be ______.


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


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