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?

Advertisements
Advertisements

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
Advertisements

उत्तर

Both the solutions have the same osmotic pressure.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
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?


Blood cells are isotonic with 0.9% sodium chloride solution. What happens if we place blood cells in a solution containing

(i) 1.2% sodium chloride solution?

(ii) 0.4% sodium chloride solution?


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.


Determine the osmotic pressure of a solution prepared by dissolving 25 mg of K2SO4 in 2 liter of water at 25°C, assuming that it is completely dissociated.


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)


Calculate the mass of a compound (molar mass = 256 g mol−1) to be dissolved in 75 g of benzene to lower its freezing point by 0.48 K (Kf = 5.12 K kg mol−1).


Choose the most correct option.

The osmotic pressure of blood is 7.65 atm at 310 K. An aqueous solution of glucose isotonic with blood has the percentage (by volume)________.


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.

What are isotonic and hypertonic solutions?


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?


An aqueous solution of a certain organic compound has a density of 1.063 g mL-1 , osmotic pressure of 12.16 atm at 25 °C and a freezing point of 1.03 °C. What is the molar mass of the compound?


What are hypertonic solutions?


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


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 ____________.


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:


The temperature at which 10% aqueous solution of (W/V) of glucose will show the osmotic pressure of 16.4 atoms is: (R = 0.082 L atom K−1 mol1)


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


Which of the following statements is false?


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.

How can you remove the hard calcium carbonate layer of the egg without damaging its semiprermiable membrane? Can this egg be inserted into a bottle with a narrow neck without distorting its shape? Explain the process involved.


Osmotic pressure of a solution increases if


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?


Blood cells retain their normal shape in solution which are


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 ______.


The following solutions were prepared by dissolving 10 g of glucose (C6H12O6) in 250 ml of water (P1), 10 g of urea (CH4N2O) in 250 ml of water (P2) and 10 g of sucrose (C12H22O11) in 250 ml of water (P3). The right option for the decreasing order of osmotic pressure of these solutions is


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

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


Determine the osmotic pressure of a solution prepared by dissolving 2.32 × 10−2 g of K2SO4 in 2L of solution at 25°C assuming that K2SO4 is completely dissociated.

(R = 0.082 L atm K−1 mol, Molar mass K2SO4 = 174 g mol−1)


Isotonic solutions are the solutions having the same ______.


Prove that: M2 = `(W_2RT)/(πV)`.


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)


The plot of osmotic pressure (π) vs concentration (mol L−1) for a solution gives a straight line with slope 25.73 L bar mol−1. The temperature at which the osmotic pressure measurement is done is ______.

(Use R = 0.083 L bar mol−1 K−1)


Calculate the osmotic pressure of 0.2 M aqueous solution of nonelectrolyte at 300 K. 

[R = 0.082 atm dm3 mol−1K−1]


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×