An alcohol A, when heated with cone. H_2SO_4 gives an alkene B. When B is bubbled through bromine water and the produc

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Q 2677280186.     An alcohol A, when heated with cone. H_2SO_4 gives an alkene B. When B is bubbled through bromine water and the product obtained is dehydrohalogenated with excess of sodamide, a new compound C is obtained. The compound C gives D when treated with warm dilute H_2SO_4 in presence of HgSO_4 . D can also be obtained either by oxidising A with KMnO_4 or from acetic acid through its calcium salt. Identify A, B, C and D.
JEE 1983

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