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प्रश्न
Which of the following statements is applicable for 0.1 M urea solution and 0.1 M sucrose solution?
पर्याय
Osmotic pressure of urea solution is greater than that of sucrose solution.
Osmotic pressure of sucrose solution is greater than that of the urea solution.
Sucrose solution is not isotonic with urea solution.
Both the solutions have the same osmotic pressure.
उत्तर
Both the solutions have the same osmotic pressure.
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संबंधित प्रश्न
Determine the osmotic pressure of a solution prepared by dissolving 2.5 × 10−2 g of K2SO4 in 2L of water at 25°C, assuming that it is completely dissociated.
(R = 0.0821 L atm K−1 mol−1, Molar mass of K2SO4 = 174 g mol−1)
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Determine the amount of CaCl2 (i = 2.47) dissolved in 2.5 litre of water such that its osmotic pressure is 0.75 atm at 27°C.
Define osmotic pressure.
Which of the following 0.1 M will aqueous solutions exert highest osmotic pressure?
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(b) `Na_2SO_4`
(c) `MgCl_2`
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Calculate the mass of NaCl (molar mass = 58.5 g mol−1) to be dissolved in 37.2 g of water to lower the freezing point by 2°C, assuming that NaCl undergoes complete dissociation. (Kf for water = 1.86 K kg mol−1)
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Define the following term:
hypertonic solution
Define the following term:
hypotonic solution
Choose the most correct option.
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Answer the following.
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Answer the following.
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Explain the term osmosis.
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Which of the following statements is false?
In isotonic solutions:
(i) Solute and solvent both are same.
(ii) Osmotic pressure is same.
(iii) Solute and solvent may or may not be same.
(iv) Solute is always same solvent may be different.
Give an example of a material used for making semipermeable membrane for carrying out reverse osmosis.
Match the items given in Column I and Column II.
| Column I | Column II |
| (i) Saturated solution | (a) Solution having same osmotic pressure at a given temperature as that of given solution. |
| (ii) Binary solution | (b) A solution whose osmotic pressure is less than that of another. |
| (iii) Isotonic solution | (c) Solution with two components. |
| (iv) Hypotonic solution | (d) A solution which contains maximum amount of solute that can be dissolved in a given amount of solvent at a given temperature. |
| (v) Solid solution | (e) A solution whose osmotic pressure is more than that of another. |
| (vi) Hypertonic solution | (f) A solution in solid phase. |
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Blood cells retain their normal shape in solution which are
In Isotonic solution
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(R = 0.082 L atm K−1 mol, Molar mass K2SO4 = 174 g mol−1)
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Arrange the following solutions in the order of increasing osmotic pressure (π) assuming complete ionization.
- 0.5M Li2 SO4
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- 0.1 M BaCl2
Define reverse osmosis.
How will you determine molar mass of solute from osmotic pressure?
Write the condition of reverse osmosis.
