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3. There is a third bromobutene structure that could have been formed in the addition of HBr to butadiene: cis-1-bromor-2-butene (the cis isomer of structure 2). Draw this structure. Would you predict (no calculation) its heat of formation to be more or less negative that the trans isomer 2
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3. There is a third bromobutene structure that could have been formed in the addition of HBr to buta...
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