Question

giúp e vs ạ

Answer 1

Câu 2:

\(2CH_4\rightarrow\left(làm.lạnh.nhanh,1500^oC\right)C_2H_2+3H_2\\ C_2H_2+H_2\rightarrow\left(Pd.or.PbCO_3,t^o\right)C_2H_4\\ C_2H_4+H_2\rightarrow\left(Ni,t^o\right)C_2H_6\)