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A misture of camphor and benzoic acid ca...

A misture of camphor and benzoic acid can be separated by :

A

Sublimation

B

Chemical method

C

Fractional Crystallisation

D

Extractin with solvent

Text Solution

Verified by Experts

The correct Answer is:
B
The mixture is reacted with aqueous `NaOH` solution when benzoic acid becomes water soluble as sodium salt and can be separated. It can be regenerated by reacting the solution with dilute `HCl`.
`underset("(Soluble)")(C_(6)H_(5)COOH+NaOH rarr C_(6)H_(5)COONa+H_(2)O)`
`C_(6)H_(5)COONa+HCl rarr underset("(Regenerated)")(C_(6)H_(5)COOH)+HCl`
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How can a mixture of camphor and benzoic acid be separated without using column chromatography?

Each question has choices (a), (b), (c ) and (d) out of which ONLY ONR is correct. STATEMENT -1 : A mixture of camphor and benzoic acid cannot be separated by sublimation. STATEMENT - 2 : Camphor on heating sublimes but benzoic acid does not .

Knowledge Check

  • A mixture of camphor and benzoic acid can be separated by

    A
    sublimation
    B
    fractional distillation
    C
    chemical method
    D
    extraction with a solvent

  • A mixture of camphor and benzoic acid can be separated by which of the following techniques

    A
    Chemical methods
    B
    Sublimation
    C
    Fractiona1 distillation
    D
    Extraction with a solvent.

  • A mixture of camphor and benzoic aci can be separated by

    A
    Chemical method
    B
    Sublimation
    C
    fractional distillation
    D
    Extraction with a solvent

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