ORGANIC CHEMISTRY Chapter 4 Select the longest chain that contains the double lone g Number the chain so as to include both carbon atoms of the double bond, and begin numbering at the end of the chain nearer the double bol ° Alkane→ alkene CH3 CH, C=CH ChaCH=CHChChCHa Ch3 Ch2Ch2 2-Hexene 2-Ethyl-I-pentene 2-己烯 2-乙基-1-戊烯 Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 4 Select the longest chain that contains the double bond. Number the chain so as to include both carbon atoms of the double bond, and begin numbering at the end of the chain nearer the double bond. Alkane alkene CH3CH CHCH2CH2CH3 2-Hexene C CH2 CH3CH2 CH3CH2CH2 2-Ethyl-1-pentene 2-己烯 2-乙基-1-戊烯