Q.
In the following compounds the order of acidic strength is
A) III > IV > I > II
B) I > IV > III > II
C) II > I > III > IV
D) IV > III > I > II
Explanation
(d)
$+ R$ group present in phenol decreases the acidity while $–R$ group presents at $ortho$ or at $para$ position increases the acidity of phenols. Thus, the correct order of acidity is
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Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.