Which of the following acids has the smallest dissociation constant

1.	Which of the following acids has the smallest dissociation constant [IIT-JEE (Screening) 2002]
A.	\[C{{H}_{3}}CHFCOOH\]
B.	\[FC{{H}_{2}}C{{H}_{2}}COOH\]
C.	\[BrC{{H}_{2}}C{{H}_{2}}COOH\]
D.	\[C{{H}_{3}}CHBrCOOH\]
Answer» D. \[C{{H}_{3}}CHBrCOOH\]

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Which of the following acids has the smallest dissociation constant [IIT-JEE (Screening) 2002]

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