On the following four molecules number them from 1 to 4, where one is the compound in the lowest oxidation state.  RCH3 RCH2OH RCHO RCO2H Im just a tad confused on oxidation states, if RCH3 is the lowest or if RCO2H is the lowest

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Q: a) i) ii) iii) iv) Br Br Br Br ох S. OCH3 CHE

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Q: HN N=

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