Lactic acid on oxidation by alkaline potassiu | vedclass

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Question

(B) The oxidation of secondary alcohols to ketones is a standard reaction. $CH_3-CH(OH)-COOH$ (Lactic acid) is a secondary alcohol containing a carbox

Vedclass · Accepted Answer

Pyruvic acid

Vedclass · Answer

(B) The oxidation of secondary alcohols to ketones is a standard reaction. $CH_3-CH(OH)-COOH$ (Lactic acid) is a secondary alcohol containing a carboxylic acid group. Upon oxidation with alkaline $KMnO_4$,the secondary alcoholic group $(-CH(OH)-)$ is oxidized to a ketone group $(-CO-)$. $CH_3-CH(OH)-COOH + [O] \xrightarrow{KMnO_4} CH_3-CO-COOH + H_2O$. The product formed is $CH_3-CO-COOH$,which is known as Pyruvic acid.

Lactic acid on oxidation by alkaline potassium permanganate gives

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Identify the major product formed when the following compound is treated with acidic $KMnO_4$.

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