Q.

Phenol on reaction with dilute nitric acid, gives two products. Which method will be most effective for large scale separation ?

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a

Chromatographic separation

b

Fractional Crystallisation

c

Sublimation

d

Steam distillation

answer is C.

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Detailed Solution

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Para product has higher boiling point than ortho as intermolecular H-bond is possible in former, where as intramolecular H-bond is possible in ortho product. Steam distillation can separate them as ortho product is steam volatile.

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Phenol on reaction with dilute nitric acid, gives two products. Which method will be most effective for large scale separation ?