AIPMT PRELIMS2012Chemistry-Acid-Base Chemistry
AIPMT PRELIMS 2012 Chemistry Acid Strength MCQ Question
Type: MCQ-conceptual-Medium
The correct order of decreasing acid strength of trichloroacetic acid (A), trifluoroacetic acid (B), acetic acid (C) and formic acid (D) is:
A
A > C > B > D
B
B > A > D > C
C
B > D > C > A
D
A > B > C > D
Correct Answer
Option B
Detailed Explanation
The order is due to the -I effect of the halogens, with fluorine having a stronger effect than chlorine.
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