How will you distinguish:
(i) Methyl alcohol from ethyl alcohol.
(ii) Ethyl alcohol from chloroform.
How will you distinguish:
(i) Methyl alcohol from ethyl alcohol.
(ii) Ethyl alcohol from chloroform.
nitin mittal , 16 Years ago
Grade 11
Organic Chemistry> Distinguish between Methyl alcohol from e...
2 Answers
askIITIians Expert
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. |
|
|
|
|
Kushagra Madhukar
Dear student,
There are various tests to distinguish between Methyl and Ethyl alcohol.
Refer to the above answer for a detailed explanation.
THanks and regards,
Kushagra
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