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Reaction sequence:- Alkene to alkanoic acid. +H 2 O. -2H. +O. ethene. ethanol. ethanal. ethanoic acid. Suitable oxidising agents include:-. Acidified permanganate H + / MnO 4 -. Purple permanganate ions reduced to colourless manganese (II) ions.
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Reaction sequence:- Alkene to alkanoic acid +H2O -2H +O ethene ethanol ethanal ethanoic acid Suitable oxidising agents include:- Acidified permanganate H+ / MnO4- Purple permanganate ions reduced to colourless manganese (II) ions. Acidified dichromate H+ / Cr2O72- Orange dichromate ions reduced to green chromium (III) ions. Hot copper(II) oxide CuO Black copper(II) oxide reduced to brown copper.