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Grade 11Organic Chemistry

How will you distinguish:

(i) Methyl alcohol from ethyl alcohol.

(ii) Ethyl alcohol from chloroform.

nitin mittal

17 Years agoGrade 11

2 Answers

askIITIians Expert

17 Years ago

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

5 Years ago

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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