Question

Chemical test to distinguish between ethanol and diethyl ether

Answer 1

Answer:

Reaction with sodium metal

=>Ethanol will liberate hydrogen gas but Diethyl ether will not.

CH3CH2OH + Na---> CH3CH2ONa + 1/2 H2

CH3-O-CH3 + Na---> No reaction

Reaction with iodoform

=>Ethanol will give yellow precipitate but diethyl ether will not.

CH3CH2OH+6NaOH+4I2-->CHI3+ HCOONa + 5NaI + 5H2O

CH3-O-CH3 + 6NaOH+ 4I2--> no reaction

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Answer 2

Concept introduction:

Alcohols and ethers have comparable chemical structures, and water also has these similarities. A water molecule's one hydrogen atom is replaced by an alkyl group in an alcohol, whereas both hydrogen atoms are replaced by an aryl or alkyl group in an ether.

Explanation:

Given that, ethanol and diethyl ether.

We have to find, Chemical test to distinguish between ethanol and diethyl ether.

According to the question,

A reaction with sodium metal can be used to differentiate between ethanol and diethyl ether. While ether does not react with sodium metal, ethanol will react and release H2 gas.

$CH3CH2OH + Na--- > CH3CH2ONa + 1/2 H2$

$CH3-O-CH3 + Na--- > No reaction$

Final Answer:

Reaction with sodium metal can distinguish ethanol and diethyl ether.

#SPJ2