Hoàn thành chuỗi phản ứng : a) Nhômcacbua ➜ metan ➜ metylclorua ➜ metilenclorua ➜ clorofom ➜ cacbontetraclorua b) butan ➜ etan ➜ etyl clorua ➜ butan ➜

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1. a, 

   $Al_4C_3+ 12H_2O \to 4Al(OH)_3+ 3CH_4$

   $CH_4+ Cl_2 \buildrel{{as}}\over\to CH_3Cl+ HCl$

   $CH_3Cl+ Cl_2 \buildrel{{as}}\over\to CH_2Cl_2+ HCl$

   $CH_2Cl_2+ Cl_2 \buildrel{{as}}\over\to CHCl_3+ HCl$

   $CHCl_3+ Cl_2 \buildrel{{as}}\over\to CCl_4+ HCl$

   b,

   $C_4H_{10} \buildrel{{\text{cracking}}}\over\to C_2H_6+ C_2H_4$ 

   $C_2H_6+ Cl_2 \buildrel{{as}}\over\to C_2H_5Cl+ HCl$

   $2C_2H_5Cl+ 2Na \buildrel{{xt, t^o}}\over\to 2NaCl+ C_4H_{10}$ 

   $C_4H_{10} \buildrel{{\text{cracking}}}\over\to C_3H_6+ CH_4$

   $C_3H_6+ H_2 \buildrel{{Ni, t^o}}\over\to C_3H_8$

   $C_3H_8 \buildrel{{\text{cracking}}}\over\to CH_4+ C_2H_4$

   $CH_4+ 2O_2 \buildrel{{t^o}}\over\to CO_2+ 2H_2O$ 

   c,

   $CH_3COONa+ NaOH \buildrel{{CaO, t^o}}\over\to CH_4+ Na_2CO_3$

   $2CH_4 \buildrel{{1500^oC}}\over\to C_2H_2+ 3H_2$

   $Al_4C_3+ 12HCl \to 4AlCl_3+ 3CH_4$

   $CH_4+ 2F_2 \to C+ 4HF$

   $C+ 2H_2 \buildrel{{Pt, t^o}}\over\to CH_4$

   $CH_4+ 3Cl_2 \buildrel{{as}}\over\to CHCl_3+ 3HCl$ 

   $C_3H_8 \buildrel{{\text{cracking}}}\over\to CH_4+ C_2H_4$ 

   $CH_4+ O_2 \buildrel{{xt, t^o}}\over\to HCHO+ H_2O$ 

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