File:Phenol – Sodium Phenoxide

Properties of phenol as an acid

Compounds like alcohols and phenol which contain an -OH group attached to a hydrocarbon are very weak acids. Alcohols are so weakly acidic that, for normal lab purposes, their acidity can be virtually ignored. However, phenol is sufficiently acidic for it to have recognizably acidic properties – even if it is still a very weak acid. A hydrogen ion can break away from the -OH group and transfer to a base.

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Why is phenol acidic?

Compounds like alcohols and phenol which contain an -OH group attached to a hydrocarbon are very weak acids. Alcohols are so weakly acidic that, for normal lab purposes, their acidity can be virtually ignored. However, phenol is sufficiently acidic for it to have recognizably acidic properties – even if it is still a very weak acid. A hydrogen ion can break away from the -OH group and transfer to a base. For example, in solution in water:

Tính Hiệu Quả Nuôi Lươn Không Bùn Bằng Thức Ăn Công Nghiệp, Thức Ăn Cho Lươn

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