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प्रश्न
According to Raoult’s law, relative lowering of vapour pressure of solution containing dissolved nonvolatile solute _______.
विकल्प
is equal to mole fraction of solvent
is equal to mole fraction of solute
does not depend on mole fraction of solute
is equal to molality of solution
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उत्तर
According to Raoult’s law, relative lowering of vapour pressure of solution containing dissolved nonvolatile solute is equal to mole fraction of solute.
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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?
The following solution/solvent has maximum vapour pressure _______.
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?
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Give two points to explain why vapour pressure of solvent is lowered by dissolving nonvolatile solute into it.
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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.
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(Vapour pressure of solution= 400 mm Hg, Atomic mass C = 12, H = 1)
Identify the correct statement from the following:
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?
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 ______.
