Home
Class 11
CHEMISTRY
One mole of a solute A is dissolved in a...

One mole of a solute A is dissolved in a given volume of a solvent. The association of the solute take place as follows: `nA rarr A_(n)`. If `a` is the degree of association of `A`, the van't hoff factor `i` is expressed as:

A

I = 1 - a

B

`i=1+a/n`

C

`i=(1-a+(a)/(n))/1`

D

I = 1

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • DILUTE SOLUTION

    NARENDRA AWASTHI|Exercise Level 1 (Q.62 To Q.91)|1 Videos

  • DILUTE SOLUTION

    NARENDRA AWASTHI|Exercise Level 2|3 Videos

  • CHEMICAL EQUILIBRIUM

    NARENDRA AWASTHI|Exercise Level 2|1 Videos

  • ELECTROCHEMISTRY

    NARENDRA AWASTHI|Exercise Level 3 - Subjective Problems|1 Videos

Similar Questions

Explore conceptually related problems

A dilute solution contains 'x' moles of solute A in 1 kg of solvent with molal elevation constant K_(b) . The solute dimerises in the solution according to the following equation. The degree of association is (a) : 2A hArrA_(2) The van't Hoff factor will be:

True or false Van't Hoff factor, i<1 if there is association of the solute in the solution.

the Van't Hoff factor for a solute that associates in solution is

A dilute solution contains 'x' moles of solute A in 1 kg of solvent with molal elevation constant K_(b) . The solute dimerises in the solution according to the following equation. The degree of association is (a) : 2A hArrA_(2) The degree of assoicition is equal to : a) a = ((K_(b)x - /_\T_(b)))/(/_\T_(b)2) b) a = (2(K_(b)x - /_\T_(b)))/(K_(b)x) c) a =2 + (2/_\T_(b))/(K_(b)x) d) a = (/_\T_(b))/(2K_(b)x)

A dilute solution contains 'x' moles of solute A in 1 kg of solvent with molal elevation constant K_(b) . The solute dimerises in the solution according to the following equation. The degree of association is (a) : 2A hArrA_(2) The molecular mass observed will be: a) greater than actual molecular mass b) lesser than actual molecular mass c) equal to the actual molecular mass d) cannot be predicted by the date given

The Van't Hoff factor for 0.1 M Ba(NO_3)_2 solution is 2.74. the degree of dissociation is

for an aqueous solution of K^4[Fe(CN)_6], the value of van't Hoff factor , I is 5( approx).

For solutes which do not undergo any association or dissociation in a solute, Van't Hoff factor (i) will be

In an experiment to estimate the size of a molecule of oleic acid 1mL of oleic acid is dissolved in 19 mL of alcohol. Then 1 mL of this solution is diluted to 20 mL by adding alcohol. Now 1 drop of this diluted solution is placed on water in a shallow trough. The solution spreads over the surface of water forming one molecule thick layer. Now, lycopodium powder is sprinkled evenly over the film and its diameter is measured. Knowing the volume of the drop and area of the film we can calculate the thickness of the film which will give us the size of oleic acid molecule. Read the passage carefully and answer the following questions : How will you calculate the volume of n drops of this solution of oleic acid ?

In an experiment to estimate the size of a molecule of oleic acid 1mL of oleic acid is dissolved in 19 mL of alochol. Then 1 mL of this solution is diluted to 20 mL by adding alcohol. Now 1 drop of this diluted solution is placed on water in a shallow trough. The solution spreads over the surface of water forming one molecule thick layer. Now, lycopodium powder is sprinkled evenly over the film and its diameter is measured. Knowing the volume of the drop and area of the film we can calculate the thickness of the film which will give us the size of oleic acid molecule. Read the passage carefully and answer the following questions : What will be the volume of oleic acid in one drop of this solution?