Question 74 of 89
Q.Write the classification of aliphatic ketones with example. What is the action of sodium hypoiodite on acetone?
Maharashtra MsbshseMaharashtra HSC (MSBSHSE) Board 2022Subjective· 3mImportance★★★★★
83% · 74/89 Questions
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Start your 14-day free trial to unlock the full solution →Ketones are symmetrical or mixed depending on the two attached alkyl groups; acetone gives a positive iodoform test with sodium hypoiodite.
Classification of aliphatic ketones by structure:
- Simple (symmetrical) ketones: Both alkyl/aryl groups attached to the carbonyl carbon are identical, e.g. (acetone, dimethyl ketone).
- Mixed (unsymmetrical) ketones: The two groups attached to the carbonyl carbon are different, e.g. (methyl ethyl ketone, butan-2-one). Action of sodium hypoiodite on acetone (iodoform reaction): Acetone, having a methyl ketone group (), reacts with sodium hypoiodite (generated from + NaOH) to give a yellow precipitate of iodoform: …
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