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Phenol is more acidic than aliphatic alcohols:

1) Lone pairs on O is drawn towards the benzene ring => O-H bond is weakened so that H+ is lost relatively easily.

2) phenoxide ion is stabilized by delocalisation of negative charge over O and benzene ring. This encourges dissociation of the phenoxide ion.

use of phenols:

- antiseptic

- disinfectants

Order of acid strength: phenol>water>ethanol

phenol=> delocalisation of electrons from oxygen atom…


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