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)COOH gt HCOOH gt ClCH_(2)COOH`
(ii) `(CH_(3))_(3)C.COOH gt (CH_(3))_(2)CHCOOH gt CH_(3)COOH`
(iii) `ClCH_(2)COOH gt Cl_(2)CHCOOH gt Cl_(3)C COOH`
(iv) `(CH_(3))_(2) CHCOOH gt CH_(3)CH_(2)COOH gt CH_(3)COOH gt ClCH_(2)CH_(2)COOH gt ClCH_(2)COOH`