Two isomers ' A ' and ' B ' with molecular formula C 4 H 8 give different products on oxidation with KMnO 4 in acidic medium. Isomer ' A ' on reaction with KMnO 4 / H + r

Question

Two isomers ' A ' and ' B ' with molecular formula C 4 H 8 give different products on oxidation with KMnO 4 in acidic medium. Isomer ' A ' on reaction with KMnO 4 / H + results in effervescence of a gas and gives ketone. The compound ' A ' is

TestHub · Accepted Answer

The formula C 4 H 8 shows that it has degree of unsaturation as one. And since it react with KMnO 4 in acidic medium then it should be an alkene. Only the terminal alkene gives effervescence of carbon dioxide gas. So, it should be a terminal alkene. and other product is ketone so, it should have a 3 degree carbon too. Based on these we can say that the A is

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