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

Which of the following statements is applicable for 0.1 M urea solution and 0.1 M sucrose solution?

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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.

MCQ
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उत्तर

Both the solutions have the same osmotic pressure.

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पाठ 2: Solutions - Multiple choice questions

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

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)


Which of the following is not a colligative property?


A solution containing 15 g urea (molar mass = 60 g mol–1) per litre of solution in water has the same osmotic pressure (isotonic) as a solution of glucose (molar mass = 180 g mol–1) in water. Calculate the mass of glucose present in one litre of its solution.


Calculate the osmotic pressure in pascals exerted by a solution prepared by dissolving 1.0 g of polymer of molar mass 185,000 in 450 mL of water at 37°C.


Which of the following 0.1 M aqueous solutions will exert the highest osmotic pressure?


Define Semipermeable membrane


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)


Define the following term:

Hypotonic solution


Choose the most correct option.

In calculating osmotic pressure the concentration of solute is expressed in _______.


Answer the following in one or two sentences.

A solution concentration is expressed in molarity and not in molality while considering osmotic pressure. Why?


Answer the following.

A solvent and its solution containing a nonvolatile solute are separated by a semipermeable membrane. Does the flow of solvent occur in both directions? Comment giving a reason.


Answer the following.

Explain reverse osmosis.


Answer the following.

How molar mass of a solute is determined by osmotic pressure measurement?


Explain the osmotic pressure of a solution with the help of a thistle tube.


Define Osmosis.


Which of the following is a colligative property?


Two solutions have different osmotic pressures. The solution of higher osmotic pressure is called ____________.


At constant temperature the osmotic pressure of a solution is ____________.


20 g of a substance were dissolved in 500 mL of water and the osmotic pressure of the solution was found to be 600 mm of mercury at 15°C. The molecular weight of the substance is ______.


The average osmotic pressure of human blood is 7.8 bar at 37°C. What is the concentration of an aqueous NaCl solution that could be used in the blood stream?


Osmotic pressure of a solution is 0.0821 atm at a temperature of 300 K. The concentration in moles/litre will be:


A solution containing 10 g per dm3 of urea (molar mass 60 g mol−1) is isotonic with 5% solution of non-volatile solute, MB of solute is:


At a given temperature, osmotic pressure of a concentrated solution of a substance ______.


Isotonic solutions must have the same:

(i) solute

(ii) density

(iii) elevation in boiling point

(iv) depression in freezing point


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.

Discuss biological and industrial importance of osmosis.


Which of the following colligative property can provide molar mass of proteins (or polymers or colloids) with greatest precision?


Isotonic solutions have same


Which one of the following is a colligative property?


In Isotonic solution


The vapour pressure of water is 12.3 k pa at 300 k. Calculated the vapour pressure of molal solution in it.


Osmotic pressure of a solution containing 2 g dissolved protein per 300 cm3 of solution is 20 mm of Hg at 27°C. The molecular mass of protein is ______.


Derive an expression to calculate molar mass of non-volatile solute by osmotic pressure measurement.


Assertion (A) : Osmotic pressure is a colligative property.

Reason (R) : Osmotic pressure is proportional to the molality.


Isotonic solutions are the solutions having the same ______.


A solution containing 10 g glucose has osmotic pressure 3.84 atm. If 10 g more glucose is added to the same solution, what will be its osmotic pressure? (Temperature remains constant)


Prove that: M2 = `(W_2RT)/(πV)`.


Define reverse osmosis.


Name the four colligative properties that are oftently used for determination of molecular mass.


Write the condition of reverse osmosis.


Calculate the osmotic pressure of 0.03 mole of non electrolyte solute dissolved in 0.1 dm3 of water at 300 K. [R = 0.082 dm3 atm mol-1 K-1]


The 'X' g nonvolatile solute having molar mass 196 g mol-1 is dissolved in 3 dm³ water. Calculate the value of 'X' if resulting solution has osmotic pressure 0.8 atm at 300 К.
(R = 0.0821dm³ atm K-1 mol-1)


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