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nitin mittal Grade: 11
        

How will you distinguish:


(i) Methyl alcohol from ethyl alcohol.


(ii) Ethyl alcohol from chloroform.

8 years ago

Answers : (1)

askIITIians Expert
21 Points
										

Solution:

























































































(i)                  Tests



Methyl alcohol



Ethyl alcohol



1.       Iodoform test



 



 



On heating with I2 and NaOH



No yellow compound is formed



Yellow compound with characteristic odour is formed



2.       Oil of winter green test



 



 



On heating with salicylic acid and conc. H2SO4



Gives characteristic odour of oil of winter green.



Does not give odour of oil of winter green.



3.       Easter test



 



 



On heating with glacial acetic and conc. H2SO4



Forms methyl acetate with characteristic odour.



Forms ethyl acetate which has fruity odour.



 



 



 



(ii)                Tests



Ethyl alcohol



Chloroform



1.       Iodoform test



 



 



On heating with I2 and NaOH



Yellow compound with characteristic odour is formed



Does not give the test.



2.       Isocyanide test



 



 



On heating with aniline and alcoholic KOH



No reaction



Forms phenyl isocyanide which has a characteristic bad odour.



3.       Solubility test



It is soluble in water.



It is insoluble in water.



 



 



 



 


8 years ago
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