Which of the following is the correct order of acidity of carboxylic acids? (i) Cl3CCOOH Cl2CHCOOH ClCH2COOH (ii) CH3CH2COOH (CH3)2 CHCOOH (CH3)3 CCOOH (iii) F2CHCOOH FCH2COOH ClCH2COOH

Question

Which of the following is the correct order of acidity of carboxylic acids? (i) Cl3CCOOH > Cl2CHCOOH > ClCH2COOH (ii) CH3CH2COOH > (CH3)2 CHCOOH > (CH3)3 CCOOH (iii) F2CHCOOH > FCH2COOH > ClCH2COOH (A) (i) and (ii) (B) (ii) and (iii) (C) (i) and (iii) (D) (i), (ii) and (iii)

Tardigrade Admin · Accepted Answer

The strength of the acid increases with the inductive effect of the electronegative group attached to it (-I effect). The strength of the acid decreases with the presence of electron releasing group.

Q. Which of the following is the correct order of acidity of carboxylic acids?
$(i) C l_{3} CCOO H > C l_{2} C H COO H > ClC H_{2} COO H$
$(ii) C H_{3} C H_{2} COO H > (C H_{3})_{2} C H COO H > (C H_{3})_{3} CCOO H$
(iii) $F_{2} C H COO H > FC H_{2} COO H > ClC H_{2} COO H$

(i) and (ii)

(ii) and (iii)

(i) and (iii)

(i), (ii) and (iii)

The strength of the acid increases with the inductive effect of the electronegative group attached to it ( $- I$ effect). The strength of the acid decreases with the presence of electron releasing group.

Q. Which of the following is the correct order of acidity of carboxylic acids? (i)Cl3​CCOOH>Cl2​CHCOOH>ClCH2​COOH (ii)CH3​CH2​COOH>(CH3​)2​CHCOOH>(CH3​)3​CCOOH (iii) F2​CHCOOH>FCH2​COOH>ClCH2​COOH