$Đáp án:
Câu 1.
$(1) CH_{3}COONa + NaOH \xrightarrow{\text{$CaO , t^0$}} CH_{4} + Na_{2}CO_{3}$
$(2) 2CH_{4} \xrightarrow{\text{$1500^0 , làm lạnh nhanh $}} C_{2}H_{2} + 3H_{2}$
$(3) C_{2}H_{2} + H_{2} \xrightarrow{\text{$Pd/PbCO_{3} ; t^0 $}} C_{2}H_{4} $
$(4) C_{2}H_{4} + H_{2}O \xrightarrow{\text{$t^0 , H_{2}SO_{4} $}} C_{2}H_{5}OH $
$(5) C_{2}H_{5}OH + CuO \xrightarrow{\text{$ t^0$}} CH_{3}CHO + Cu + H_{2}O$
$(6) CH_{3}CHO + H_{2} \xrightarrow{\text{$Ni; t^0 $}}C_{2}H_{5}OH $
$(7) 3C_{2}H_{2} \xrightarrow{\text{$600^0 , bột C $}} C_{6}H_{6} $
$(8) C_{6}H_{6} + Cl_{2} \xrightarrow{\text{$bột Fe $}} C_{6}H_{5}Cl + HCl $
