Which of the following is Baeyer's reagent?

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(C) Baeyer's reagent is defined as a cold,dilute,alkaline solution of potassium permanganate $(KMnO_4)$.It is used as an oxidizing agent to detect the

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$OH^{-} + KMnO_4$

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(C) Baeyer's reagent is defined as a cold,dilute,alkaline solution of potassium permanganate $(KMnO_4)$.It is used as an oxidizing agent to detect the presence of unsaturation (double or triple bonds) in organic compounds.The reaction involves the conversion of an alkene into a vicinal diol,accompanied by the disappearance of the pink color of $KMnO_4$ and the formation of a brown precipitate of manganese dioxide $(MnO_2)$.Therefore,the correct composition is $OH^{-} + KMnO_4$.

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