Question:
How will you separate a solution (miscible) of benzene $ +CHCl_{3}$ ?
How will you separate a solution (miscible) of benzene $ +CHCl_{3}$ ?
Updated On: Jun 23, 2023
- Sublimation
- Filtration
- Distillation
- Crystallisation
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The Correct Option is C
Solution and Explanation
Fractional distillation is the method used to separate a mixture of two miscible liquids having different boiling points. The more volatile liquid distills over first and is collected in a receiver. The two fractions are redistilled separately a number of times to ensure complete purity of the liquids. Sublimation is used to separate a non-volatile solid from a volatile one. Iodine, camphor, naphthalene, benzoic acid etc. are purified by this method as they readily sublime i.e., change directly from solid to gas on being heated. Filtration is a method used to separate insoluble impurities from a liquid.
Crystallization is the most common method to purify organic solids. This method is based upon differences in their solubility in a given solvent or mixture of solvents.
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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.