English

Define the Following Term: Isotonic Solution - Chemistry

Advertisements
Advertisements

Question

Define the following term:
isotonic solution

Definition
Advertisements

Solution

Two or more solutions exerting the same osmotic pressure are called an isotonic solution.

shaalaa.com
  Is there an error in this question or solution?
2021-2022 (March) Set 1

RELATED QUESTIONS

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)


What happens when the external pressure applied becomes more than the osmotic pressure of solution?


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?


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.


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.


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)


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).


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.

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.

The osmotic pressure of CaCl2 and urea solutions of the same concentration at the same temperature are respectively 0.605 atm and 0.245 atm, calculate van’t Hoff factor for CaCl2.


Answer the following.

Explain reverse osmosis.


Answer the following.

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


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


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


Define Osmosis.


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:


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:


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


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.


Osmotic pressure of a solution increases if


Which one of the following is a colligative property?


Blood cells retain their normal shape in solution which are


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 ______.


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)`.


Arrange the following solutions in the order of increasing osmotic pressure (π) assuming complete ionization.

  1. 0.5M Li2 SO4
  2. 0.5M KCl
  3. 0.5M Al2 (SO4)3 
  4. 0.1 M BaCl2

How will you determine molar mass of solute from osmotic pressure?


Write the condition of reverse osmosis.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×