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The electrolyte solutions show abnormal ...

The electrolyte solutions show abnormal colligative porperties.To account for this effect we define a quantity called the Van't Hoff factor given by
`i=("Actual number of particles in solution after dissociation")/("Number of formula units initially dissolved in solution")`
`i=1 ("for non-electrolytes")`
`igt1 ("for electrolytes, undergoing dissociation")`
`ilt1 ("for solutes, undergoing association")`
Answer the following questions:
certain substances trimerize when dissolved in a solvent `A`. The Van't Hoff factor `i` for the solutions is

A

1

B

`1//3`

C

3

D

unpredictable

Text Solution

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The correct Answer is:
B
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The electrolyte solutions show abnormal colligative porperties.To account for this effect we define a quantity called the Van't Hoff factor given by i=("Actual number of particles in solution after dissociation")/("Number of formula units initially dissolved in solution") i=1 ("for non-electrolytes") igt1 ("for electrolytes, undergoing dissociation") ilt1 ("for solutes, undergoing association") Answer the following questions: Benzoic acid undergoes dimerization in bezene solution. The Van't Hoff factor i for the solutions is

The electrolyte solutions show abnormal colligative porperties.To account for this effect we define a quantity called the Van't Hoff factor given by i=("Actual number of particles in solution after dissociation")/("Number of formula units initially dissolved in solution") i=1 ("for non-electrolytes") igt1 ("for electrolytes, undergoing dissociation") ilt1 ("for solutes, undergoing association") Answer the following questions: For a solution of a non-electrolyte in water, the Van't Hoff factor is

The electrolyte solutions show abnormal colligative porperties.To account for this effect we define a quantity called the Van't Hoff factor given by i=("Actual number of particles in solution after dissociation")/("Number of formula units initially dissolved in solution") i=1 ("for non-electrolytes") igt1 ("for electrolytes, undergoing dissociation") ilt1 ("for solutes, undergoing association") Answer the following questions: 0.1 M K_(4)[Fe(CN)_(6)] is 60% ionized. What will be its Van't Hoff factor?

The electrolyte solutions show abnormal colligative porperties.To account for this effect we define a quantity called the Van't Hoff factor given by i=("Actual number of particles in solution after dissociation")/("Number of formula units initially dissolved in solution") i=1 ("for non-electrolytes") igt1 ("for electrolytes, undergoing dissociation") ilt1 ("for solutes, undergoing association") Answer the following questions: A solution of benzoic acid is dissolved in benzene such that it undergoes molecular association and its molar mass apporaches 244 . The benzoic molecules will exist as

The colligative properties of electrolytes require a slightly different approach than the one used for the colligative properties of non-electrolytes. The electrolytes dissociate into ions in a solution. It is the number fo solute particles that determines the colligative properties of a solution. The electrolyte solutions, therefore, show abnormal colligative properties. To account for this effect we define a quantity called the van't Hoff factor, given by : i=("Actual number of particles in solution after dissociation")/("NUmber of formula units initially dissolved in solution") i=1 (for non-electrolytes) , i gt 1 (for electrolytes, undergoing dissociation) i lt 1 (for solutes, undergoing association). The molare mass of the solute sodium hydroxide obtained from the measurement of the osmotic pressure of its aqueous solution at 27^(@)C is 25 "g mol"^(-1) . Therefore, its dissociation percentage in this solution is :

A solute forms a pentamer when dissolved in a solvent. The van't Hoff factors 'I' for the solute will be :

For a solute undergoing association in a solvent, the van't hoff factor

The van't Hoff factor for a solute that associates in solution is

A solute X when dissolved in a solvent associates to form a pentamer. The value of van't Hoff factor (i) for the solute will be

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