1.

The weakest acid among the following is [CPMT 1976, 82, 89; BHU 1982; CBSE PMT 1991; MP PMT 1989; Roorkee 1992; RPET 1999]

A. \[C{{H}_{3}}COOH\]
B. \[C{{l}_{2}}CHCOOH\]
C. \[ClC{{H}_{2}}COOH\]
D. \[C{{l}_{3}}CCOOH\]
Answer» B. \[C{{l}_{2}}CHCOOH\]


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