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Absolute alcohol can be prepared from re...

Absolute alcohol can be prepared from rectified spirit by

A

Fractional distillation

B

Simple distillation

C

keeping over CaO for few hours and then distilling

D

Distillation under reduced pressure

Text Solution

Verified by Experts

The correct Answer is:
C
Absolute alcohol is obtained from R.S. by azeotropic distillation i.e. distilling over quick lime.
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AAKASH SERIES-PURIFICATION OF ORGANIC COMPOUNDS AND IUPAC NOMENCLATURE-PRACTICE SHEET (EXERCISE - I) LEVEL - II (ADVANCED)
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  2. An organic compound X contains Y and Z impurities. Their solubilities ...

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  3. Absolute alcohol can be prepared from rectified spirit by

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  4. In Lassaigne.s test, the reason behind the usage of sodium metal is

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  5. 0.5 g of organic compound in Kjeldhal's method liberated ammonia, whic...

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  6. In Carius method of estimation of sulphur 0.466g of organic compound g...

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  7. An organic compound having C, H and S elements contains 4% sulphur. Th...

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  8. 0.96g chloroplatinate of a diacid base when ingnited gave 0.32 g plati...

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  9. Two organic compounds have same empirical formula but different molecu...

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  10. Identify the incorrect statement among the following ?

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  11. Sodium fusion extract of an organic compound gives blood red colour wi...

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  12. In sulphur estimation, 3.2 grams of an organic compound give 2.33 gram...

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  13. Number of positional isomers of the compound 2-Bromo Bicyclo [2,2,1] H...

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  14. Which of the following compounds may give blood red colouration while ...

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  15. Diethyl ether is mostly used in solvent extraction due to the followin...

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  16. Which of the following compounds undergoes sublimation?

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  17. Which of the following compounds can be purified by steam distillation

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  18. The 0.2 g of anhydrous organic acid gave on combustion 0.04 g of water...

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  19. The 0.2 g of anhydrous organic acid gave on combustion 0.04 g of water...

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  20. The 0.2 g of anhydrous organic acid gave on combustion 0.04 g of water...

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