..................................................................................................................................
1. CH4 + Cl2 ---> CH3Cl + HCl
2. RCH2 + O2 ---> CO2 + H2O + Q
3. 2CH3I + 2Na ---> CH3CH3 + 2NaI
<span>2NA+2H²O=2NaOH+H²↑
V(H2)=3,36
m(H2)=0,3</span>