Ответы и объяснения

2013-10-13T15:54:07+04:00
CH4 -> CH3Br -> C2H6 -> C2H4 -> C2H2 -> C6H6 
CH4+Br2[свет] -> CH3Br+HBr 
2CH3Br +2Na-> C2H6 +2NaBr 
C2H6 [Al2O3]-> C2H4+H2 
C2H4 [Al2O3]-> C2H2 +H2 
2C2H2[C,t ] -> C6H6
CH4 + Br2(hv) -> CH3Br+HBr
2CH3Br+2Na(t) -> C2H6+2NaCl
C2H6(t, kat) -> C2H4 + H2
C2H4(t, kat) -> C2H2 + H2
3C2H2(c,t) -> C6H6