$(1) C_3H_7OH + HBr \xrightarrow{t^o} C_3H_7Br + H_2O$
$(2) C_6H_5OH + 3Br_2 \to C_6H_2Br_3OH + 3HBr$
$(3) CH_3OH + CuO \xrightarrow{t^o} HCHO + Cu + H_2O$
$(4) CH_3-CH(CH_3)-CH_2-CH_3 \xrightarrow{170^o,H_2SO_4} CH_3-CH=CH-CH_3 (spc) + H_2O$
$(5) C_3H_5(OH)_3 + 3Na \xrightarrow{t^o} C_3H_5(ONa)_3 + \dfrac{3}{2}H_2$
$(6) 2C_2H_5OH \xrightarrow{t^o} C_2H_5OC_2H_5 + H_2O$
$(7) CH_3-CH_2OH + CuO \xrightarrow{t^o} CH_3-CHO + Cu + H_2O$
$(8) C_2H_5OH + CH_3COOH \buildrel{{t^o,H_2SO_4}}\over\rightleftharpoons CH_3COOC_2H_5 + H_2O$
$(9) C_6H_5OH + NaOH \to C_6H_5ONa + H_2O$
$(10) C_6H_5ONa + CO_2 + H_2O \to C_6H_5OH + NaHCO_3$
$(11) HCHO + H_2 \xrightarrow{t^o,Ni} CH_3OH$
$(12)$ trùng với (5)
$(13) C_2H_5OH \xrightarrow{170^o,H_2SO_4} C_2H_4 + H_2O$