1.

The correct order of acidic strength is

Answer»

`CH_3COOHgtCH_2ClCOOHgtCHCl_2COOH`
`CHCl_2COOHgtCH_2ClCOOHgtCH_3COOH`
`CHCl_2COOHgtCH_3COOHgtCH_2ClCOOH`
`CH_2ClCOOHgtCH_3COOHgtCHCl_2COOH`

ANSWER :B


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