मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

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.

Advertisements
Advertisements

प्रश्न

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.

टीपा लिहा
Advertisements

उत्तर

(ii) Osmotic pressure is same.

(iii) Solute and solvent may or may not be same.

Explanation:

Two dilute solutions with same molar concentration at given temperature have also the same osmotic pressure. Such solutions are known as isotonic or iso-osmotic solution.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Solutions - Exercises [पृष्ठ २३]

APPEARS IN

एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
पाठ 2 Solutions
Exercises | Q II. 33. | पृष्ठ २३

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?


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.


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


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.

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


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.

What are isotonic and hypertonic solutions?


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.


Explain the phenomenon of osmosis.


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


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


Discuss biological and industrial importance of osmosis.


Blood cells retain their normal shape in solution which are


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

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


Define reverse osmosis.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×