*Axit C4H8O2 -> C3H7COOH:

CH3-CH2-CH2-COOH : axit butanoic

CH3-CH(CH3)-COOH : 2-metylpropanoic

*Axit C5H10O2 -> C4H9COOH:

CH3-CH2-CH2-CH2-COOH : axit pentanoic

CH3-CH2-CH(CH3)-COOH : 2–metylbutanoic

CH3-CH(CH3)-CH2-COOH : 3–metylbutanoic

CH3-(CH3)C(CH3)-COOH : 2,2–đimetylpropanoic

*Axit C6H12O2 -> C5H11COOH:

CH3-CH2-CH2-CH2-CH2-COOH : axit hexanoic

CH3-CH(CH3)-CH2-CH2-COOH : 4–metylpentanoic

CH3-CH2-CH(CH3)-CH2-COOH : 3–metylpentanoic

CH3-CH2-CH2-CH(CH3)-COOH : 2–metylpentanoic

CH3-CH(CH3)-CH(CH3)-COOH : 2,3–đimetylbutanoic

CH3-CH2-(CH3)C(CH3)-COOH : 2,2–đimetylbutanoic

CH3-(CH3)C(CH3)-CH2-COOH : 3,3–đimetylbutanoic

CH3-CH2-CH(C2H5)-COOH: 2–etylbutanoic

Xin câu trả lời hay nhất ạ :3

(1) axit butanoic

(2) axit 2-metylpropanoic 

(3) axit pentanoic 

(4) axit 2-metylbutanoic 

(5) axit 3-metylbutanoic

(6) axit 2,2-đimetylpropanoic

(7) axit hexanoic 

(8) axit 2-metylpentanoic 

(9) axit 2-etylbutanoic 

(10) axit 4-metylpentanoic 

(11) axit 2,3-đimetylbutanoic 

(12) axit 3-metylpentanoic 

(13) axit 2,2-đimetylbutanoic 

(14) axit 3,3-đimetylbutanoic