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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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DINESH PUBLICATION-ORGANIC CHEMISTRY - SOME BASIC PRINCIPLES & TECHNIOUES-PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUNDS
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  2. In Kjeldahl's method, nitrogen is estimated as :

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  3. Two immiscible liquid present in a bottle can be separated by:

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  4. In sodium fusion test of organic compounds, the nitrogen in an organic...

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  5. Which of the following reagents is useful to separate benzoic acid fro...

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  6. In Duma's method, the gas collected in nitrometer is :

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  7. Anthracene is purified by :

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  8. 0.2 g of an organic compound on complete combustion produces 0.18 g of...

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  9. Which process is suitable for the purification of aniline ?

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  10. In the Lassaigne's test for the detection of sulphur, the purple colou...

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  11. For which of the following compounds will Lassaigne's test for nitroge...

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  12. The most satisfactory method to separate mixture of sugars is :

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  13. Lassaigne's extract is botted with dilute HNO(3) before testing for ha...

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  14. The purity of an organic solid is determined by :

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  15. Absolute alcohol is prepared by :

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  16. 0.32 g of an organic compound gave 0.233 g of BaSO(4). Determine the p...

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  17. Which is not used to purify organic solids ?

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  18. Chloroform and benzene form a pair of miscible liquids. These can be s...

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  19. During Lassaigne's test S and N present in an organic compound change ...

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  20. The best method to separate a mixture of ortho and para nitrophenol (1...

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