question_answer 8)

Winch acid -of each pan- shown here would you expect to bestronger? (i) or (ii) or (iii) or (iv) (a)  Presence of an electron withdrawing group tike F(- I showing group) makes a carboxyclic acid stronger. (b) Higher the ?l effect, stronger is the acid. The order of ?l effect is . (c) As the distance between ?l showing group and  group increases, acidity decreases.  

Answer:

(i)  is stronger acid. (ii)  is a stronger acid. (iii)  is a stronger acid.       (iv) is a stronger acid.