The correct statement is: "Iso-osmotic solutions are always isotonic".

Here's why:

a. Isotonic solutions can contain solute that can cross biological membrane - This is incorrect. Isotonic solutions are defined by the fact that they have the same solute concentration as another solution, not by the ability of the solute to cross a biological membrane.

b. Isoosmotic solutions have the freezing temperature of 0.52 degree C - This is incorrect. The freezing point of a solution is determined by the nature and concentration of the solutes, not by whether it is isoosmotic.

c. Iso-osmotic solutions are always isotonic - This is correct. By definition, an iso-osmotic solution has the same osmotic pressure as the solution to which it is being compared. This means it has the same solute concentration, which is the definition of an isotonic solution.

d. Isotonic solutions are always iso-osmotic - This is incorrect. While it's true that isotonic solutions have the same solute concentration as the solution to which they are being compared, they may not have the same osmotic pressure. This is because osmotic pressure is also affected by the volume of the solution, not just the solute concentration.

Question

The correct statement is: "Iso-osmotic solutions are always isotonic".

Here's why:

a. Isotonic solutions can contain solute that can cross biological membrane - This is incorrect. Isotonic solutions are defined by the fact that they have the same solute concentration as another solution, not by the ability of the solute to cross a biological membrane.

b. Isoosmotic solutions have the freezing temperature of 0.52 degree C - This is incorrect. The freezing point of a solution is determined by the nature and concentration of the solutes, not by whether it is isoosmotic.

c. Iso-osmotic solutions are always isotonic - This is correct. By definition, an iso-osmotic solution has the same osmotic pressure as the solution to which it is being compared. This means it has the same solute concentration, which is the definition of an isotonic solution.

d. Isotonic solutions are always iso-osmotic - This is incorrect. While it's true that isotonic solutions have the same solute concentration as the solution to which they are being compared, they may not have the same osmotic pressure. This is because osmotic pressure is also affected by the volume of the solution, not just the solute concentration.

Knowee AI · Accepted Answer

The correct statement is: "Iso-osmotic solutions are always isotonic".

Here's why:

a. Isotonic solutions can contain solute that can cross biological membrane - This is incorrect. Isotonic solutions are defined by the fact that they have the same solute concentration as another solution, not by the ability of the solute to cross a biological membrane.

b. Isoosmotic solutions have the freezing temperature of 0.52 degree C - This is incorrect. The freezing point of a solution is determined by the nature and concentration of the solutes, not by whether it is isoosmotic.

c. Iso-osmotic solutions are always isotonic - This is correct. By definition, an iso-osmotic solution has the same osmotic pressure as the solution to which it is being compared. This means it has the same solute concentration, which is the definition of an isotonic solution.

d. Isotonic solutions are always iso-osmotic - This is incorrect. While it's true that isotonic solutions have the same solute concentration as the solution to which they are being compared, they may not have the same osmotic pressure. This is because osmotic pressure is also affected by the volume of the solution, not just the solute concentration.

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