Question:
Which one of the following electrolytes has the same value of van't Hoff's factor (i) as that of $ {Al_2(SO_4)_3}$ (if all are 100% ionised) ?
Which one of the following electrolytes has the same value of van't Hoff's factor (i) as that of $ {Al_2(SO_4)_3}$ (if all are 100% ionised) ?
Updated On: Apr 12, 2024
- ${Al_2(SO_4)_3}$
- ${K_4[Fe(CN)_6] }$
- ${ K_2SO_4}$
- ${K_3[Fe(CN)_6] }$
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The Correct Option is B
Solution and Explanation
van't Hoff factor of
$ {Al_2 (SO_4)_3 -> 2Al^{+3} + 3SO^{-2}_4}$
so n = 5
$ {K_4 [Fe(CN)_6] -> 4K^{+} + [Fe(CN)_6]^{-4}}$
so n =5 $\Rightarrow $ i = n =5
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Concepts Used:
Solutions
A solution is a homogeneous mixture of two or more components in which the particle size is smaller than 1 nm.
For example, salt and sugar is a good illustration of a solution. A solution can be categorized into several components.
Types of Solutions:
The solutions can be classified into three types:
- Solid Solutions - In these solutions, the solvent is in a Solid-state.
- Liquid Solutions- In these solutions, the solvent is in a Liquid state.
- Gaseous Solutions - In these solutions, the solvent is in a Gaseous state.
On the basis of the amount of solute dissolved in a solvent, solutions are divided into the following types:
- Unsaturated Solution- A solution in which more solute can be dissolved without raising the temperature of the solution is known as an unsaturated solution.
- Saturated Solution- A solution in which no solute can be dissolved after reaching a certain amount of temperature is known as an unsaturated saturated solution.
- Supersaturated Solution- A solution that contains more solute than the maximum amount at a certain temperature is known as a supersaturated solution.