Which of the following is the most acidic com | vedclass

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Question

(C) The acidity of a compound depends on the stability of its conjugate base (phenoxide or alkoxide ion). $1$-Naphthol (option $C$) is the most acidic

Vedclass · Accepted Answer

$1-$Naphthol

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(C) The acidity of a compound depends on the stability of its conjugate base (phenoxide or alkoxide ion). $1$-Naphthol (option $C$) is the most acidic among the given choices because the negative charge on the oxygen atom in its conjugate base is stabilized by resonance across the naphthalene ring system,which is more extensive than in the other compounds. Cyclohexanol and $C_2H_5OH$ are aliphatic alcohols and are much less acidic than naphthols or phenols. $1,2,3,4$-Tetrahydronaphthalen-$1$-ol is a secondary alcohol where the hydroxyl group is not directly attached to the aromatic ring,making it less acidic than $1$-naphthol.

Which of the following is the most acidic compound?

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