Первое вещество это нитробензойная кислота
CuO+H2SO4=CuSO4+H2O
Cu(OH)2+H2SO4=CuSO4+2H2O
Cu+2H2SO4=CuSO4+SO2+2H2O
2H2S+3O2=2SO2+2H2O
2SO2+O2=2SO3
CH4+2O2=CO2+2H2O
2H2O=(t) 2H2+O2
2O2+3Fe=(t)Fe3O4
CH4 -> CH3Br -> C2H6 -> C2H4 -> C2H2 -> C6H6
<span>CH4+Br2[свет] -> CH3Br+HBr </span>
<span>2CH3Br +2Na-> C2H6 +2NaBr </span>
<span>C2H6 [Al2O3]-> C2H4+H2 </span>
<span>C2H4 [Al2O3]-> C2H2 +H2 </span>
<span>2C2H2[C,t ] -> C6H6</span>