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1)

+$C_2H_2$: $CH \equiv CH$

+$C_2H_5Cl$: $CH_3-CH_2Cl$

+$C_3H_7Cl$:

$CH_3-CH_2-CH_2Cl$

$CH_3-CHCl-CH_3$

+$C_2H_4$: $CH_2=CH_2$

+$C_4H_8$: 

Vòng $C_4H_8$

Vòng $C_3H_5-CH_3$

$CH_2=CH-CH_2-CH_3$

$CH_3-CH=CH-CH_3$

$CH_2=C(CH_3)-CH_3$

+ $CH_4O$: $CH_3OH$

+ $C_2H_6O$: 

$CH_3-CH_2-OH$

$CH_3-O-CH_3$

+ $CH_4$

+ $C_3H_8$: $CH_3-CH_2-CH_3$

2)

Các phản ứng xảy ra:

$C{H_4} + C{l_2}\xrightarrow{{as}}C{H_3}Cl + HCl$

${C_2}{H_2} + 2B{{\text{r}}_2}\xrightarrow{{}}{C_2}{H_2}B{{\text{r}}_4}$

${C_2}{H_4} + 3{{\text{O}}_2}\xrightarrow{{{t^o}}}2C{O_2} + 2{H_2}O$

$2{C_4}{H_{10}} + 13{{\text{O}}_2}\xrightarrow{{{t^o}}}8C{O_2} + 10{H_2}O$

$CH_4$ không phản ứng với $H_2O$

${C_2}{H_2} + {H_2}\xrightarrow{{P{\text{d}}/PbC{O_3}}}{C_2}{H_4}$

$nC{H_2} = C{H_2}\xrightarrow{{{t^o},xt}}{( - C{H_2} - C{H_2} - )_n}$

$C{_2}{H_4} + B{{\text{r}}_2}\xrightarrow{{}}{C_2}{H_4}B{{\text{r}}_2}$

${C_2}{H_4} + 3{{\text{O}}_2}\xrightarrow{{{t^o}}}2C{O_2} + 2{H_2}O$

3)

$2C{H_4}\xrightarrow{{{{1500}^o}C/l\ln }}{C_2}{H_2} + 3{H_2}$

${C_2}{H_2} + {H_2}\xrightarrow{{P{\text{d}}/PbC{O_3}}}{C_2}{H_4}$

$C{_2}{H_4} + B{{\text{r}}_2}\xrightarrow{{}}{C_2}{H_4}B{{\text{r}}_2}$

$nC{H_2} = C{H_2}\xrightarrow{{{t^o},xt}}{( - C{H_2} - C{H_2} - )_n}$

$C{H_4} + 2{{\text{O}}_2}\xrightarrow{{{t^o}}}C{O_2} + 2{H_2}O$

$2{C_2}{H_2} + 5{{\text{O}}_2}\xrightarrow{{{t^o}}}4C{O_2} + 2{H_2}O$

${C_2}{H_4} + 3{{\text{O}}_2}\xrightarrow{{{t^o}}}2C{O_2} + 2{H_2}O$