a) \(C_2H_4+Br_2\rightarrow C_2H_4Br_2\)
\(C_2H_2+2Br_2\rightarrow C_2H_2Br_4\)
b) Đặt : \(n_{C2H4}=a\left(mol\right),C_2H_2=b\left(mol\right)\)
Có hệ phương trình : \(\left\{{}\begin{matrix}a+b=\dfrac{1,12}{22,4}\\a+2b=\dfrac{11,2}{160}\end{matrix}\right.\)
\(\rightarrow a=0,03,b=0,02\)
\(\rightarrow\left\{{}\begin{matrix}\%V_{C2H4}=\dfrac{0,03.22,4}{1,12}.100\%=60\%\\\%V_{C2H2}=100\%-60\%=40\%\end{matrix}\right.\)
c) \(C_2H_4+2O_2\xrightarrow[]{t^o}CO_2+2H_2O\)
0,03--->0,06
\(2C_2H_2+5O_2\xrightarrow[]{t^o}4CO_2+2H_2O\)
0,02---->0,05
\(\rightarrow V_{O2\left(đktc\right)}=\left(0,06+0,05\right).22,4=2,464\left(l\right)\)