Which one of the following reagents is used f | vedclass

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(B) The test for unsaturation in alkenes is known as the Baeyer's test.In this test,alkenes react with cold dilute alkaline $KMnO_4$ solution (Baeyer'

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Cold dilute alkaline $KMnO_4$

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(B) The test for unsaturation in alkenes is known as the Baeyer's test.In this test,alkenes react with cold dilute alkaline $KMnO_4$ solution (Baeyer's reagent).The purple/pink colour of the $KMnO_4$ solution disappears,and a brown precipitate of $MnO_2$ is formed,indicating the presence of a double bond (unsaturation).Therefore,cold dilute alkaline $KMnO_4$ is the correct reagent.

Which one of the following reagents is used for the detection of unsaturation in alkenes?

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