what happens when phenol is introduced to litmus while the other alcohols are neutral?

Asked by shaikh sameer | 1st Oct, 2013, 03:31: PM

Expert Answer:

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 recognisably 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:

So, it turns blue litmus red.

Answered by  | 2nd Oct, 2013, 08:56: AM

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