Arrange the following compounds in the correc | vedclass

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Question

(D) The acidic strength of compounds is determined by the stability of their conjugate bases. More stable conjugate bases correspond to stronger acids

Vedclass · Accepted Answer

$B > A > D > C$

Vedclass · Answer

(D) The acidic strength of compounds is determined by the stability of their conjugate bases. More stable conjugate bases correspond to stronger acids.$A$: $H_2O$ (Conjugate base: $OH^-$)$B$: Phenol $(C_6H_5OH)$ (Conjugate base: Phenoxide ion,$C_6H_5O^-$,which is resonance stabilized)$C$: Isopropyl alcohol $((CH_3)_2CHOH)$ (Conjugate base: Isopropoxide ion,$(CH_3)_2CHO^-$,destabilized by two electron-donating methyl groups)$D$: Ethanol $(CH_3CH_2OH)$ (Conjugate base: Ethoxide ion,$CH_3CH_2O^-$,destabilized by one electron-donating ethyl group)Stability order of conjugate bases: $C_6H_5O^- > OH^- > CH_3CH_2O^- > (CH_3)_2CHO^-$.Therefore,the order of acidic strength is: $B > A > D > C$.Thus,option $D$ is correct.

Arrange the following compounds in the correct order of their acid strength.

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