Question

Though hydrogen of phenol of group is involved is h bonding with nitro group in ortho nitro phenol still it is more acidic than phenol.what is reason behind it.

Answer 1

Answer:

atomic bonding

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Explanation:

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Answer 2

• In case of substituted phenols, acidity of phenols increases in the presence of electron withdrawing group.

• This is due to the stability of the phenoxide ion generated.

• This is due to the fact that the negative charge in phenoxide ion is mainly delocalized at ortho and para positions of the attached benzene ring.

• The effect of the nitro group on acidity in aromatic systems is dependent upon its location though regardless of its relative position to an acidic group (e.g., phenolic OH) it always increases acidity.