name the given alkenes using systematic names. consider alkene 1. a six carbon chain has a double bond between carbons 1 and 2. there is a methyl group on carbon 3 and a methyl group on carbon4. alkene 1 name: consider alkene 2. a 7 carbon chain has a double bond between carbons 1 and 2 and between carbons 6 and 7. there is a methyl substituent on carbon 3. alkene 2 name: consider alkene 3. a four carbon chain has two double bonds. there is a c h 2 c h 3 group on carbon 2. alkene 3 name:
