1. Name the following dienes and label them as isolated or conjugated.





1,3-octadiene, “conjugated”




4-methyl-1,7-octadiene, “isolated”



2. See "Dienes Resonance"  



3. Predict the major product from the dehydrohalogenation of:


4-bromo-1-hexene (H2C=CHCH2CH(Br)CH2CH3) + KOH (alcohol) ------>


H2C=CHCH=CHCH2CH3 (major because it is conjugated)


H2C=CHCH2CH=CHCH3 (minor, isolated diene)



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