1)<span>CH4><span>C2H2><span><span>C2H4>(ты уверена,что не хлорэтил)? <span>C2H5Cl><span>CH3CH2OH</span></span></span></span></span></span>
<span><span><span><span><span><span>CH4 = C + 2 H2</span></span></span></span></span></span>
<span><span><span><span><span><span>C2H2 = 2 C + H2</span></span></span></span></span></span>
<span><span><span><span><span><span>C2H4 = 2 C + 2 H2</span></span></span></span></span></span>
<span><span><span><span><span><span>CH3CH2OH = C2H4 + H2O</span></span></span></span></span></span>
<span><span><span><span><span><span>2)<span>С</span>2<span>H</span>5<span>OH>не знаю> не знаю>C4H9OH</span></span></span></span></span></span></span>