Aromatic HydrocarbonsMedium
Question
Two products X and Y are formed in the following reaction sequence.
The suitable method that can be used for the separation of products X and Y is :
Options
A.Fractional distillation
B.Sublimation
C.Differential extraction
D.Continuous extraction
Solution
Sol. [Key Concept: Organic reaction sequence — products X and Y]
The ortho and para isomers are separated by fractional distillation under reduced pressure.
$$\begin{matrix} & \text{~}\text{o-isomer, (M.P. }\text{→}\text{-4}\text{°}\text{C, B.P. }\text{→}\text{ 222}\text{°}\text{C)}\text{~} \\ & \text{~}\text{p-isomer, (M.P. }\text{→}\text{ 54}\text{°}\text{C, B.P.}\text{~}\left. \ \rightarrow 238^{\circ}C \right) \end{matrix}$$
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