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.
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.
APPEARS IN
संबंधित प्रश्न
At 300 K, 36 g of glucose present in a litre of its solution has an osmotic pressure of 4.98 bar. If the osmotic pressure of the solution is 1.52 bars at the same temperature, what would be its concentration?
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 the following term:
isotonic solution
Define the following term:
Hypotonic solution
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.
What is osmotic pressure?
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.
Explain reverse osmosis.
Answer the following.
How molar mass of a solute is determined by osmotic pressure measurement?
Explain the phenomenon of osmosis.
Two solutions have different osmotic pressures. The solution of higher osmotic pressure is called ____________.
Isotonic solutions must have the same:
(i) solute
(ii) density
(iii) elevation in boiling point
(iv) depression in freezing point
Isotonic solutions have same
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.
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)
Name the four colligative properties that are oftently used for determination of molecular mass.
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)
