1.

Which of the following is the correct sequence of relative acidic strength ?

Answer»

`FCH_(2)COOHgtClCH_(2)COOHgtBrCH_(2)COOH`
`ClCH_(2)COOHgtBrCH_(2)COOHgtFCH_(2)COOH`
`BrCH_(2)COOHgtClCH_(2)COOHgtFCH_(2)COOH`
`ClCH_(2)COOHgtFCH_(2)COOHgtBrCH_(2)COOH`.

ANSWER :A


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