Why phenol do not react with NaHCO3 but nitro phenol do react?

Asked by sourabh7jain | 9th Sep, 2016, 04:16: PM

Expert Answer:

Phenol is a weak acid compared to p-nitrophenol.

This is because in p-nitrophenol, there is no hydrogen bonding and hence react with bases like NaHCO3 which is a weaker base.

Phenol is less acidic due to the presence of polar O-H group.

Since oxygen is more electronegative than hydrogen, the electron pair of O-H bond is pulled more towards O and H+ ion is easily released in aqueous solution.

Answered by Vaibhav Chavan | 11th Sep, 2016, 09:46: PM

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