Viết ptpu 9. Propan -> metan -> metylclorua -> clorofom -> cacbon tetra clorua 10. Butan -> etan -> etilen 11. C4h10 -> c2h6 -> c2h5br

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1. 9)

   \({C_3}{H_8}\xrightarrow{{{t^o},xt}}{C_2}{H_4} + C{H_4}\)

   \(C{H_4} + C{l_2}\xrightarrow{{as}}C{H_3}Cl + HCl\)

   \(C{H_3}Cl + 2C{l_2}\xrightarrow{{as}}CHC{l_3} + 2HCl\)

   \(CHC{l_3} + C{l_2}\xrightarrow{{as}}CC{l_4} + HCl\)

   10)

   \({C_4}{H_{10}}\xrightarrow{{{t^o},xt}}{C_2}{H_6} + {C_2}{H_4}\)

   \({C_2}{H_6}\xrightarrow{{{t^o},xt}}{C_2}{H_4} + {H_2}\)

   11)

   \({C_4}{H_{10}}\xrightarrow{{{t^o},xt}}{C_2}{H_6} + {C_2}{H_4}\)

   \({C_2}{H_6} + B{r_2}\xrightarrow{{{t^o}}}{C_2}{H_5}Br + HBr\)

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