Tinh bôt $\overset{+H_2O}{\rightarrow} C_6H_{12}O_6 \overset{+O_2, men giấm}{\rightarrow} C_2H_5OH \overset{MgO,ZnO,400-600 oC}{\rightarrow} C_4H_6 \overset{t^o,p,xt}{\rightarrow}$ cao su buna$2C_2H_5OH => C_4H_6 +2H_2O + H_2$
Tinh bôt $\overset{+H_2O}{\rightarrow} C_6H_{12}O_6 \overset{+O_2, men giấm}{\rightarrow} C_2H_5OH \overset{MgO,ZnO,400-600 oC}{\rightarrow} C_4H_6 \overset{t^o,p,xt}{\rightarrow}$ cao su buna$2C_2H_5OH => C_4H_6 +2H_2O + H_2$
Tinh bôt $\overset{+H_2O}{\rightarrow} C_6H_{12}O_6 \overset{+O_2, men giấm}{\rightarrow} C_2H_5OH \overset{MgO,ZnO,400-600 oC}{\rightarrow} C_4H_6 \overset{t^o,p,xt}{\rightarrow}$ cao su buna$2C_2H_5OH => C_4H_6 +2H_2O + H_2$