Phenol nhóm OH liên Phenol: nhóm OH liên OH OH CH2OH CH2OH CH3 CH2OH 6H5 VD1: OH OH CH3 2–metylphenol (hay o–metylphenol) OH Br O2N Br NO2 NO2 2,4– 2,4,6–trinitrophenol OH OH CH3 cresol (nhóm CH3 naphtol (nhóm CH3 Phenol A) C) CH3 OCH3 B) CH2OH D) CH3 OH không A) B) CH3 CH2OH OH C) D) CH3 OH OH OH HO CH3 A) 4–metylphenol C) m–cresol B) 3–metylphenol D) HO CH2CH3 A) 2–etylphenol C) 3–etylphenol B) m–etylphenol D) p–etylphenol 7H8 A) m–cresol C) B) naphtalen D) stiren Phenol — O O O O • • • O—H Vòng benzen hút electron làm — Br2 VD2: C6H5OH + Na C6H5ONa + ½H2 C6H5OH + NaOH C6H5ONa + H2O VD3: OH Br OH + Br2 + HBr OH Br –tribromphenol OH OH Br + Br 3Br2 + 3HBr Br Phenol không A) etanol C) etilen glicol B) phenol D) A) H2O, C2H5Cl, C2H5OH B) (CH3)2O, C6H5OH, C3H5(OH)3 C) C2H4(OH)2, C6H5OH, H2O D) C6H6, C2H5OH, o–CH3C6H4OH 6H5 B) Na D) H2 A) C) 6H5 A) C) B) Na D) H2 A) Na C) B) NaOH D) A) Ca(OH)2 C) B) NaOH D) Na A Chú ý B 2C6H5 C A) B) C) D) 4 Phenol – phenol VD4: C6H5OH + Na C2H5OH + Na C6H5ONa + ½H2 C2H5ONa + ½H2 x nH C6H5OH + NaOH nC H OH y 0,1 (mol) x y 0, (mol) C6H5ONa + H2O nNaOH 0,1 (mol) x 0,1 (mol) y = 0,1 (mol) m = 14 (gam) D E – Phenol A P) A) OH (P) – OH – NOH(P ) P A) NOH( A ) OH nH2 nX nNaOH nX NOH(P ) F OH (A) OH (P A) C) B) D) G 7H8O 2,24 lít khí H2 A) B) C) Cho 0,1 mol D) H C7H8O2 A) C6H5CH(OH)2 C) CH3C6H3(OH)2 B) HOC6H4CH2OH D) CH3OC6H4OH I 8H10 8H10 A) B) C) D) Phenol C6H5Cl NaOH (d−) CH2 CHCH3 C6H6 O2 C6H5CH(CH3)2 H HCl C6H5ONa to , p cao C6H5OH C6H5OH + (CH3)2CO H cumen axeton J 2SO4 75 %) A) 300 gam C) 400 gam B) 600 gam D) 500 gam K C6H6 Cl2 (1:1) Fe X NaOH (d−) A) C6H6(OH)6, C6H6Cl6 C) C6H5OH, C6H5Cl to ,p cao Y HCl Z B) C6H4(OH)2, C6H4Cl2 D) C6H5ONa, C6H5OH L Toluen Br2 (1:1) Fe X NaOH (d−) to ,p Y HCl Z A) m–metylphenol o–metylphenol B) benzyl bromua o–bromtoluen C) o–bromtoluen p–bromtoluen D) o–metylphenol p–metylphenol Phenol Câu Câu D C B B D A D E F A A G C D H B C I D C J C A K D A C L D B C D C% (phenol) = 15,67 % E m = 33,85 gam