Q.
The ionization constant of phenol is higher than that of ethanol because
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a
Phenoxide ion is a stronger base than ethoxide ion
b
Phenoxide ion is stabilized through delocalization
c
Phenoxide ion is less stable than ethoxide ion
d
Phenoxide ion is bulkier than ethoxide ion
answer is B.
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Detailed Solution
Stabilization of phenoxide ion through delocalization of negative charge shifts the equilibrium in favour of ionized from C6H5OH+H2O⇌C6H5−O−+H3O+ .
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