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True or False.
Separation of ${\text{CC}}{{\text{l}}_{\text{4}}}$ from ${\text{C}}{{\text{S}}_2}$ can be carried out by separating funnel method.

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Last updated date: 18th Jun 2024
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Answer
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Hint: Separating funnel is used to separate a mixture of two immiscible liquids. The miscibility of two liquids depends upon the nature of bonding present in them, that is, non- polar solvents dissolve nonpolar solutes and polar solvents dissolve polar.

Complete step by step solution:
We know that, similar types of substances are soluble in each other, that is, non- polar solvents dissolve nonpolar solutes and polar solvents dissolve polar solutes. In other words, it can be said as dissolves like and unlike dissolves unlike.
Separating funnels can separate a mixture of two immiscible liquids. The mixture of the immiscible liquids is placed in a separating funnel and allowed to stand. When the mixture forms completely two different phases separated by a physical boundary with the denser liquid at the bottom and the less dense liquid on the top, the stopper of the funnel is removed.
The denser liquid starts to flow down the funnel and is collected in a container below the funnel. As soon as all the denser liquid flows out, the stopper is attached again and the flow stopped thus separating the two liquids.
We know that ${\text{CC}}{{\text{l}}_{\text{4}}}$ and ${\text{C}}{{\text{S}}_2}$ are both covalently bonded non polar molecules. As a result, both these liquids are miscible and cannot be separated by the method of separating funnels.
Therefore, the given statement is false.

Therefore, the correct answer is option B.

Note: The drawbacks of using a separatory funnel is that emulsions can be formed easily, and thus take a long time to separate once they are formed. They are often formed when liquids are being mixed in the separatory funnel. This occurs when small droplets are suspended in an aqueous solution forming a colloidal solution.