Alcohols Phenols And Ethers Question 5

Question 5 - 29 January - Shift 1

The increasing order of $pK_a$ for the following phenols is

(1) 2, 4-Dinitrophenol

(2) 4 - Nitrophenol

(3) 2, 4, 5-Trimethylphenol

(4) Phenol

(5) 3-Chlorophenol

Show Answer

Answer: (2)

Solution:

Formula: Inductive and Resonance Effect

Order of acidity for following phenol is

Description of the image
  • $M$ and - I increases acidity