Giải thích các bước giải:

`a)`

`PTHH:`

`C_2H_4 + H_2O` $\xrightarrow[]{xt,t^0}$ `C_2H_5OH(1)`

`C_2H_5OH + O_2` $\xrightarrow[]{men giấm}$ `CH_3COOH + H_2O(2)`

`CH_3COOH + C_2H_5OH` $\buildrel{{H_2SO_4đ,t^0}}\over\rightleftharpoons$ `CH_3COOC_2H_5 + H_2O(3)`

`CH_3COOC_2H_5 + NaOH -> C_2H_5OH + CH_3COONa(4)`

`b)`

`PTHH:`

`CaC_2 + 2H_2O -> C_2H2↑ + Ca(OH)_2(1)`

`C_2H_2 + H_2` $\xrightarrow[]{t^0,xt}$ `C_2H_4↑(2)`

`C_2H_4 + H_2O ` $\xrightarrow[]{t^0,xt}$` C_2H_5OH(3)`

`C_2H_5OH + O_2` $\xrightarrow[]{men giấm}$ `CH_3COOH + H_2O(4)`

`2CH_3COOH + Cu(OH)_2 -> 2H_2O + (CH_3COO)_2Cu↓(5)`

Đáp án:

`↓`

Giải thích các bước giải:

`a.`

`(1)` `C_2H_4``+``H_2O` $\xrightarrow[H_2SO_4]{t^o}$ `C_2H_5OH`

`(2)` `C_2H_5OH``+``O_2` $\xrightarrow[]{men giấm}$ `CH_3COOH``+``H_2O`

`(3)` `CH_3COOH``+``C_2H_5OH` $\buildrel{{H_2SO_{4đặc}, t^o}}\over\rightleftharpoons$ `CH_3COOC_2H_5``+``H_2O`

`(4)` `CH_3COOC_2H_5``+``NaOH``→``CH_3COONa``+``C_2H_5OH`

`b.`

`(1)` `CaC_2``+``2H_2O``→``C_2H_2``+``Ca(OH)_2`

`(2)` `C_2H_2``+` $\xrightarrow[Pd]{t^o}$ `C_2H_4`

`(3)` `C_2H_4``+``H_2O` $\xrightarrow[H_2SO_4]{t^o}$ `C_2H_5OH`

`(4)` `C_2H_5OH``+``O_2` $\xrightarrow[]{men giấm}$ `CH_3COOH``+``H_2O`

`(5)` `CH_3COOH``+``Cu(OH)_2``→``(CH_3COO)_2Cu``+``H_2O`