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KVPY2020ChemistryHydrocarbons

A hydrocarbon X with molecular formula C 4 H 6 decolorizes bromine water and forms a white precipitate in ethanolic AgNO 3 solution Treatment of X with HgCl 2 in aqueous H 2 SO 4 produces a compound, which gives a yellow precipitate when treated with I 2 and NaOH . The structure of X is :

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3

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