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Which is the most suitable method for re...

Which is the most suitable method for removing the traces of water from ethanol ?

A

Heating with Na metal

B

Passing dry HCl through it

C

Distilling it

D

Reacting with Mg

Text Solution

Verified by Experts

The correct Answer is:
D
Magnesium reacts with ethanol to form magnesium ethoxide which then reacts with water to regenerate ethanol along with `Mg(OH)_2`.

Other reagents react with ethanol and do not regenerate ethanol.
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ERRORLESS-ALCOHOLS, PHENOLS AND ETHERS-NCERT BASED QUESTIONS (Methanol and Ethanol)
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  7. The vapour pressure of aqueous solution of methanol is

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  9. Methanol and ethanol are miscible in water due to

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  12. Absolute alcohol can be obtained from rectified spirit

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  14. A reaction between excess of C2H5OH and H2SO4 at 140^(@)C, gives

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  15. Ethyl alcohol on oxidation with dil. acid and K2CrO7 gives

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  17. The boiling point of ethanol should be less than that of

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