STANDARDChemistry-Acid and Base Strength
STANDARD Chemistry Phenols MCQ Question
Type: MCQ-conceptual-Medium
Mark the correct order of decreasing acid strength of the following compounds.
A
(v) > (iv) > (ii) > (i) > (iii)
B
(iii) > (iv) > (i) > (iii) > (v)
C
(iv) > (v) > (iii) > (ii) > (i)
D
(v) > (iv) > (iii) > (ii) > (i)
Correct Answer
Option B
Detailed Explanation
The electron withdrawing group (–NO₂) increases the acidity of phenols and the electron donating group (–OCH₃) decreases the acidity of phenols. The effect at p-position is greater than at m-position.
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