Van't Hoff's Factor
Van't Hoff's Factor: Overview
This topic covers concepts such as Abnormal Colligative Properties, Van't Hoff's Factor, Van't Hoff Correction Factor for Dissociation of Solute Particles, Determination of Degree of Dissociation Using Van't Hoff's Factor, etc.
Important Questions on Van't Hoff's Factor

Relative decrease in vapour pressure is for a solution containing in , therefore is ionised at the extent of

If the osmotic pressure of a 0.010 M aqueous solution of sucrose at is 0.25 atm, then the osmotic pressure of a 0.010 M aqueous solution of NaCl at is

What are the minimum values of the Van't Hoff factors in a solute undergoing dimerisation and trimerisation?

Consider solutions of two solutes and . The solute behaves univalent strong electrolyte while the solute dimerises completely in solution. Which of the following statements are correct regarding these solutions?

Which of the following is the correct value of degree of association in terms of van't Hoff factor () is:

Which of the following is the correct value of degree of dissociation in terms of van't Hoff factor () is:

Van't Hoff factor is the ratio of abnormal molar mass to the normal molar mass.

Integral value of van't hoff factor for :

The value of observed and calculated molecular weight of calcium nitrate are and . The degree of dissociation of will be:-

Colligative properties are directly proportional to the molar mass of the solute.

The partial dissociation appears to be a major factor in determining the properties of weak electrolytes and the degree of dissociation for weak electrolyte at dilution v is given by . The strong electrolytes on the other hand do not obey this relation and the variation of molar conductivity for strong electrolytes is given by .
The graph plotted for log ()vs. log , where i is van't Hoff factor for uni-univalent electrolyte and , is its molar conductivity at concentration c does not show the following characteristics:

The van’t Hoff factor for a compound which undergoes dissociation in one solvent and association in another solvent is respectively

Van’t Hoff factor is given by the expression _____.

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





