1. $C_4H_10 \xrightarrow{t^o,xt} C_2H_6+C_2H_4$
4.
$CH_3-[CH-CH_3]-CH_3+ Cl_2\buildrel{{1:1, askt}}\over\longrightarrow CH_3-[CCl-CH_3]-CH_3+ HCl$
$CH_3-[CH-CH_3]-CH_3+ Cl_2\buildrel{{1:1, askt}}\over\longrightarrow CH_3-[CH-CH_3]-CH_2Cl+ HCl$
cái đầu tiên là sản phẩm chính
6.
$C_nH_{2n+2} + \dfrac{3n+1}{2}O_2\xrightarrow{t^o}nCO_2+(n+1)H_2O$
13.
$C_3H_8\xrightarrow{t^o,xt} CH_4+C_2H4$
16.
$C_5H_{12} \xrightarrow{t^o,xt}C_5H_{10}+H_2$
