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The distillation technique most sited fo...

The distillation technique most sited for separating glycerol from spent lye in the soap industry is

A

Steam distillation

B

Distillation under reduced pressure.

C

Simple distillation

D

Fractional distillation

Text Solution

Verified by Experts

The correct Answer is:
b
Pent - 1 - ye and glycerol are separated by distillation under reduced pressure .
Under the reduced pressure the liquid boil at low temperature and the temperature of decomposition will not reach . E.g glycerol boils at `290^(@)C` with decomposition but at reduced pressure it boils at `180^(@)C` without decomposition .
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DISHA PUBLICATION-ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES -Exercise - 2 : Concept Applicator
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  2. Maximum enol content is in :

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  3. A mixture containing the following four compounds is extracted with 1 ...

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  4. Dipole moment of which ketone is maximum ?

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  5. Which of the following compound is resistant to nucleophilic attack by...

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  6. Presence of electron - withdrawing substituents

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  7. Pick up the correct statement regarding the following resonating struc...

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  8. Which is the weakest base among the followings ?

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  9. Which of the following will have largest dipole moment?

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  10. Which one is the most reactive towards S(N)1 reaction ?

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  11. (CH(3))(4)N^(+) is neither an electrophile , nor a nucleophile becaus...

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  12. Which of the follwing represents the decreasing order of K(a) values ?

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  13. Which of the following compound has wrong IUPAC name?

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  14. Structure of the compound whose IUPAC name is 3-ethyl-2-hydroxy-4-meth...

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  15. The IUPAC name of compound

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  16. The IUPAC name of the compound

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  17. The correct IUPAC name of the compound

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  18. Which of the following compounds will show metamerism ?

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  19. Tautomerism will be exhibited by

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  20. Geometrical isomerism is posible in :

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  21. A compound with molecular formula C(7)H(16) shows optical isomerism, t...

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