Which one is the most acidic compound?
As learnt
Effects of substituents on acidity of phenols -
1. Electron withdrawing group like
2. Electron donating group like
- wherein
1. Increase the acidic strength of phenol.
2. Decrease the acidic strength of phenol.
It has 3-strong withdrawing group which increases acidity hence correct answer is (4)
Option 1)
This option is incorrect
Option 2)
This option is incorrect
Option 3)
This option is incorrect
Option 4)
This option is correct