1) CH3-CH3 + Cl2 = CH3-CH2-Cl + HCl
2CH3-CH2-Cl + 2Na = CH3-CH2-CH2-CH3 + 2NaCl
CH3-CH2-CH2-CH3 = CH3-CH(CH3)-CH3
CH3-CH(CH3)-CH3 + Cl2 = CH3-C(CH3)(Cl)-CH3 + HCl
2)CH3COONa + NaOH = CH4 + Na2CO3
CH4 + Cl2 = CH3Cl + HCl
Дальше не видно, но если там Na, то:
2CH3Cl + 2Na = C2H6 + 2NaCl
3)4Al + 3C = Al4C3
Al4C3 + 12H2O = 4Al(OH)3 + 3CH4
CH4 + H2O = CO + 3H2
4)CaO + 3C = CaC2 + CO
CaC2 + H2O = Ca(OH)2 + CH=-CH
C2H2 + 2H2 = C2H6
5)
CH3-C(CH3)2-CH2-COONa + NaOH = CH3-C(CH3)2-CH3 + Na2CO3
CH3-C(CH3)2-CH3 + Cl2 = CH2(Cl)-C(CH3)2-CH3 + HCl
Предыдущий хвост + 2Na = CH3-C(CH3)2-CH2-CH2-C(CH3)2-CH3 + 2NaCl
6)
2CH4 = C2H2 + 3H2
C2H2 + 2H2 = C2H6
CH3-CH3 = C2H2 + 2H2