11Hóa học 11 Trắc nghiệm Thông hiểu 557 Cho pent-1-ene (CH2=CH−CH2−CH2−CH3\text{CH}_2=\text{CH}-\text{CH}_2-\text{CH}_2-\text{CH}_3CH2=CH−CH2−CH2−CH3) tác dụng với HBr\text{HBr}HBr. Sản phẩm chính là A BrCH2−CH2−CH2−CH2−CH3\text{BrCH}_2-\text{CH}_2-\text{CH}_2-\text{CH}_2-\text{CH}_3BrCH2−CH2−CH2−CH2−CH3 (1-bromopentane) B CH3−CHCl−CH3\text{CH}_3-\text{CHCl}-\text{CH}_3CH3−CHCl−CH3 (2-chloropropane) C CH3−CHBr−CH2−CH2−CH3\text{CH}_3-\text{CHBr}-\text{CH}_2-\text{CH}_2-\text{CH}_3CH3−CHBr−CH2−CH2−CH3 (2-bromopentane) D CH3−CHBr−CH3\text{CH}_3-\text{CHBr}-\text{CH}_3CH3−CHBr−CH3 (2-bromopropane) Câu hỏi có hữu ích? 10 0