Đáp án + giải thích các bước giải:
Bài 2:`
1. `2C_2H_5OH+2K \to 2C_2H_5OK+H_2↑`
2. `C_2H_4(OH)_2+2K \to C_2H_4(OK)_2+H_2↑`
3. $C_2H_5OH+HBr\xrightarrow{t^o}C_2H_5Br+H_2O$
4. $C_2H_5OH+C_2H_5OH\xrightarrow[140^oC]{H_2SO_4đ}C_2H_5OC_2H_5+H_2O$
5. $CH_3-CH_2-OH\xrightarrow[170^oC]{H_2SO_4đ}CH_2=CH_2+H_2O$
6. $CH_3-CH(OH)-CH_2-CH_3\xrightarrow[170^oC]{H_2SO_4đ}CH_3-CH=CH-CH_3+H_2O$
7. $CH_3-CH_2-CH_2-OH+CuO\xrightarrow{t^o}CH_3-CHO+Cu↓+H_2O$
8. $CH_3-CH(OH)-CH_3+CuO\xrightarrow{t^o}CH_3-CO-CH_3+Cu↓+H_2O$
9. $C_2H_5OH+3O_2 \xrightarrow{t^o} 2CO_2↑+3H_2O$
10. `2C_3H_5(OH)_2+CuO \to [C_3H_5(OH)_2O]_2Cu+2H_2O`