Chemistry

Chemistry

Problem

Which of the following pairs of compounds are structural isomers? - I. CH3CH2CH2CH3CH_3CH_2CH_2CH_3 , CH3CH(CH3)CH3CH_3CH(CH_3)CH_3 - II. CH3CH2CH2CH3CH_3CH_2CH_2CH_3 , CH3CH2CH3CH_3CH_2CH_3 - III. CH3CH2CH2CH2OHCH_3CH_2CH_2CH_2OH , CH3CH(CH3)CH2OHCH_3CH(CH_3)CH_2OH a. I only b. I, II and III c. III only d. I and III

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