Question

Arrange the following in order of increasing acidic strength
(i) `HCOOH,ClCH_(2)COOH,CH_(3)COOH`
(ii) `CH_(3)COOH,(CH_(3))_(2)CHCOOH,(CH_(3))_(3)CCOOH`
(iii) `ClCH_(2)COOH,Cl_(2)CHCOOH,ClCl_(3)C.COOH`
(iv)`ClCH_(2)COOH,CH_(3)CH_(2)COOH,ClCH_(2)CH_(2)COOH,(CH_(3))_(2)CH.COOH,CH_(3)COOH.`

Answer 1

(i) `CH_(3)COOHltHCOOHltClCH_(2)COOH`
(ii) `(CH_(3))_(3)C.COOHlt(CH_(3))_(2)CHCOOHltCH_(3)COOH`
(iii) `ClCH_(2)COOHltCl_(2)CHCOOHltCl_(3)"C"COOH`
(iv) `(CH_(3))_(2)CHCOOHltCH_(3)CH_(2)COOHltCH_(3)COOHltClCH_(2)CH_(2)COOHltClCH_(2)COOH`