Q.

Benzene and water can be separated by:


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a

separating funnel

b

sublimation

c

fractional distillation

d

filtration 

answer is A.

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Detailed Solution

Concept: Since water and benzene do not mix, they are easily separated from one another. Given that benzene is a lighter liquid and forms the upper layer, while water is a heavier liquid and forms the lower layer. Therefore, a separating funnel is used to separate two immiscible liquids.
Using a separating funnel will help you separate immiscible liquids. When two immiscible liquids are placed in a separatory funnel, two levels become apparent. The denser solvent will be present in the lower layer. Although most non-halogenated solvents are less dense than water, the bulk of halogenated solvents are generally denser than water.
Therefore, using separating funnels, it is possible to separate a mixture of water and benzene into its component parts.
Hence, the correct answer is option 1.
 
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