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    Which substances cause the hue of acidified potassium permanganate solution to change from violet to clear?

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    SLPaper 1A

    Which substances cause the hue of acidified potassium permanganate solution to change from violet to clear?

    I. CH3CH2CH2CH2OHCH_3CH_2CH_2CH_2OHCH3​CH2​CH2​CH2​OH

    II. (CH3)3CCH2OH(CH_3)_3CCH_2OH(CH3​)3​CCH2​OH

    III. CH3CH2CH(OH)CH3CH_3CH_2CH(OH)CH_3CH3​CH2​CH(OH)CH3​

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