But-2-ene on reaction with alkaline KMnO_4 at | vedclass

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Question

(C) When but$-2-$ene $(CH_3-CH=CH-CH_3)$ reacts with alkaline $KMnO_4$ at an elevated temperature,the double bond undergoes oxidative cleavage.Each $=

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$2$ molecules of $CH_3COOH$

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(C) When but$-2-$ene $(CH_3-CH=CH-CH_3)$ reacts with alkaline $KMnO_4$ at an elevated temperature,the double bond undergoes oxidative cleavage.Each $=CH-CH_3$ fragment is oxidized to $CH_3COOH$ (acetic acid).Therefore,two molecules of acetic acid are formed.$CH_3-CH=CH-CH_3$ $\xrightarrow[\Delta]{alk. KMnO_4} 2CH_3COOK$ $\xrightarrow{H^+} 2CH_3COOH$

But$-2-$ene on reaction with alkaline $KMnO_4$ at elevated temperature followed by acidification will give:

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