Which one of the following will not form a yellow precipitate on heating with an alkaline solution of iodine?

Question

Which one of the following will not form a yellow precipitate on heating with an alkaline solution of iodine?

(a) CH₃CH(OH)CH₃

(b) CH₃CH₂CH(OH)CH₃

(c) CH₃OH

(d) CH₃CH₂OH

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Correct option (c) CH₃OH

Explanation :

Formation of a yellow precipitate on heating a compound with an alkaline solution of iodine is known as iodoform reaction. Methyl alcohol does not respond to this test. iodoform test is exhibited by ethyl alcohol, acetaldehyde, acetone, methyl ketones and those alcohols which possess CH₃CH(OH) - group.