viết ptpu của etilen, propen,but-1-en, but-2-en với Br2, H2O, Hcl. xác định sản phẩm chính

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1. \(\begin{array}{l}
   +)\quad Etilen\\
   \rm CH_2=CH_2 + Br_2 \longrightarrow CH_2Br-CH_2Br\\
   \rm CH_2=CH_2 + H_2O \xrightarrow{H^+} CH_3-CH_2-OH\\
   \rm CH_2=CH_2 + HCl \longrightarrow CH_3-CH_2Cl\\
   +)\quad Propen\\
   \rm CH_2=CH-CH_3 + Br_2 \longrightarrow CH_2Br-CHBr-CH_3\\
   \rm CH_2=CH-CH_3 + H_2O \xrightarrow{H^+} 
   \left[\begin{array}{l}
   \rm CH_3-CH(OH)-CH_3\qquad\ \ (sp\ chính)\\
   \rm CH_3-CH_2-CH_2-OH\qquad (sp\ phụ)
   \end{array}\right.\\
   \rm CH_2=CH-CH_3 + HCl \longrightarrow 
   \left[\begin{array}{l}
   \rm CH_3-CHCl-CH_3\qquad \ (sp\ chính)\\
   \rm CH_3-CH_2-CH_2Cl\qquad  (sp\ phụ)
   \end{array}\right.\\
   +)\quad But-1-en\\
   \rm CH_2=CH-CH_2-CH_3 + Br_2 \longrightarrow CH_2Br-CHBr-CH_2-CH_3\\
   \rm CH_2=CH-CH_2-CH_3 + H_2O \xrightarrow{H^+}
   \left[\begin{array}{l}
   \rm CH_3-CH(OH)-CH_2-CH_3\quad\ \ (sp\ chính)\\
   \rm CH_3-CH_2-CH_2-CH_2-OH\quad (sp\ phụ)
   \end{array}\right.\\
   \rm CH_2=CH-CH_2-CH_3 + HCl \longrightarrow
   \left[\begin{array}{l}
   \rm CH_3-CHCl-CH_2-CH_2-CH_3\quad\ \ (sp\ chính)\\
   \rm CH_3-CH_2-CH_2-CH_2-CH_2Cl\quad (sp\ phụ)
   \end{array}\right.\\
   +)\quad But-2-en\\
   \rm CH_3-CH=CH-CH_3 + Br_2 \longrightarrow CH_3-CHBr-CHBr-CH_3\\
   \rm CH_3-CH=CH-CH_3 + H_2O \xrightarrow{H^+} CH_3-CH(OH)-CH_2-CH_3\\
   \rm CH_3-CH=CH-CH_3 + HCl \longrightarrow CH_3-CHCl-CH_2-CH_3
   \end{array}\)

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