हिंदी

The following solution/solvent has maximum vapour pressure _______.

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प्रश्न

The following solution/solvent has maximum vapour pressure _______.

विकल्प

  • 1 M copper sulphate solution

  • pure solvent water

  • 0.5 M copper sulphate solution

  • 2 M copper sulphate solution

MCQ
रिक्त स्थान भरें
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उत्तर

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

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Vapour Pressure Lowering
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अध्याय 2: Solutions - Multiple choice questions

संबंधित प्रश्न

Choose the most correct option.

Pressure cooker reduces cooking time for food because _______.


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


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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?


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


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 ______.


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 ____________.


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)


Relative lowering in vapour pressure depends on _______.


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?


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 ______.


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


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