www.tuhoc.edu.vn TOPPER Chú ý O —C— – – O —C——OH – cacbonyl – axit fomic O O H—C—O— —C—O—H VD1: CH2=CH– Danh pháp Axit cacboxylic nhóm axit * + "oic" – VD2: butan CH3–CH–CH2–COOH axit 3–metylbutanoic CH3 3–metyl htttp://tuhoc.edu.vn/blog HCOOH CH3COOH axit fomic axit axetic axit metanoic axit etanoic CH2=CH–COOH axit acrylic axit propenoic C6H5COOH axit benzoic axit benzoic HOOC–COOH axit oxalic www.tuhoc.edu.vn A) CH3CHO C) CH3COOCH3 B) CH3COOH D) CH3CH2OH không A) HCOOH C) HOOC–COOH B) CH3COOH D) HO–COOH không A) HCOOH C) HCOOCH3 B) CH3COOH D) HOOC–COOH O O —C—CH2—C—COOH A) HOOC–COOH C) HCOO–CH2–COOH B) HOOC–CH2–COOH D) HCOO–CH2–HCOO –CH=CH–COOH A) B) C) D) COOH A) B) C) D) A) CH2=CH–COOH B) (COOH)2 C) HOOC–CH=CH–COOH D) COOH COOH htttp://tuhoc.edu.vn/blog www.tuhoc.edu.vn (a) (b) (c) (d) A) CnH2n–2O2 C) CnH2n–2O4 B) CnH2n–4O2 D) CnH2nO4 A 3H4O3)n A) C6H8O6 C) C12H16O12 B) C3H4O3 D) C9H12O9 B 3H5O2 A) C3H5O2 C) C6H10O4 B) C3H10O2 D) C6H10O2 TOPPER Chú ý , (2 < n < 7) C (a) C4H8O2 D (b) C4H6O2 (c) C5H10O2 3CH2 A) axit butanoic C) axit etanoic E B) axit propanoic D) axit pentanoic 2=CH–COOH A) axit propenoic C) axit acrylic B) axit oxalic D) F (a) axit 2–metylbutanoic (b) axit 2–metylpropenoic G A) axit fomic C) axit oxalic B) axit benzoic D) axit acrylic htttp://tuhoc.edu.vn/blog www.tuhoc.edu.vn (2) TOPPER Chú ý O (1) —C— R—C O—H R—C O R—C O O • • VD3: etanal, axit etanoic axit propanoic 3COOH < CH3CH2COOH axit etanoic axit propanoic C2H6 < CH3CHO < CH3CH2OH < CH3COOH < CH3CH2COOH H htttp://tuhoc.edu.vn/blog A) CH3CHO, C2H5OH, C2H6, CH3COOH B) CH3COOH, C2H6, CH3CHO, C2H5OH C) C2H6, C2H5OH, CH3CHO, CH3COOH D) C2H6, CH3CHO, C2H5OH, CH3COOH www.tuhoc.edu.vn I A) CH3COOH, C2H5OH, HCOOH, CH3CHO B) CH3CHO, C2H5OH, HCOOH, CH3COOH C) CH3COOH, HCOOH, C2H5OH, CH3CHO D) HCOOH, CH3COOH, C2H5OH, CH3CHO J A) T, Z, Y, X C) T, X, Y, Z B) Z, T, Y, X D) Y, T, X, Z K A) B) C) D) L 3COOH (1); CH3CH2CH2OH (2); CH3CH2OH (3); CH3CH2COOH (4); CH3COCH3 A) 5, 3, 2, 1, C) 4, 1, 2, 3, TOPPER Chú ý H2 ancol C2H5 axit cacboxylic B) 5, 3, 2, 4, D) 1, 4, 2, 3, M A) H2O, C2H5OH, CH3CHO, C2H2 B) C2H2, CH3CHO, C2H5OH, H2O C) H2O, CH3CHO, C2H5OH, C2H2 C) CH3CHO, H2O, C2H5OH, C2H2 htttp://tuhoc.edu.vn/blog www.tuhoc.edu.vn + VD4: CH3COOH CH3COO + H+ — —O— H2O) X nguyên O —C— > X nguyên ANCOL < H2O < HCO3 < PHENOL < H2CO3 KHÔNG VD5: 2CO3 > phenol CO2 + H2O + C6H5ONa C6H5ONa + NaHCO3 H2CO3 N A) H2O, C6H5OH, CH3COOH B) CH3COOH, C6H5OH, H2O C) C6H5OH, H2O, CH3COOH D) CH3COOH, H2O, C6H5OH htttp://tuhoc.edu.vn/blog www.tuhoc.edu.vn O 2H5OH (Y); CH3COOH (Z); C6H5OH (T) Dãy A) T, Y, X, Z C) Y, T, Z, X B) X, Z, T, Y D) Y, T, X, Z P Cho axit CH3COOH Cl3C–COOH Cl2CH–COOH ClCH2COOH A) X, Y, Z, T C) Y, Z, T, X B) X, T, Z, Y D) Y, T, Z, X A) axit 2–clobutanoic C) axit 4–clobutanoic B) axit 3–clobutanoic D) axit butanoic Q TOPPER Chú ý bão hòa H2CO3 R axetic A) B) C) bão D) S A) B) C) D) T 6H5ONa) có pH > không A) C6H5OH + Na2CO3 C6H5ONa + NaHCO3 B) 2CH3COONa + H2SO4 2CH3COOH + Na2SO4 C) CH3OH + NaOH CH3ONa + H2O D) CH3COOH + NaHCO3 CH3COONa + H2O + CO2 htttp://tuhoc.edu.vn/blog www.tuhoc.edu.vn Câu B Câu G C D H D C I B B J A B K C D L A B M A N A C O C A A P B B C Q A R C C D B S E D D T C F (a) CnH2nO2 (n 1) (c) CnH2n–2O4 (n 2) C (a) C – C – C – COOH (b) CnH2n–2O2 (n (d) CnH2n–4O4 (n C–C–C COOH (b) C = C – C – COOH C=C–C (c) C – C – C – C – COOH COOH C–C–C–C C – C = C – COOH COOH C – C – C – COOH C 2) 4) COOH C–C–C C F (a) CH3CH2CH(CH3)COOH (b) CH2=C(CH3)COOH htttp://tuhoc.edu.vn/blog