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Ortho And Para Nitrophenols Are More Acidic than Phenol. Draw the Resonance Structures of the Corresponding Phenoxide Ions. - CBSE (Science) Class 12 - Chemistry

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Question

Ortho and para nitrophenols are more acidic than phenol. Draw the resonance structures of the corresponding phenoxide ions.

Solution 1

Resonance structure of the phenoxide ion

Resonance structures of p-nitrophenoxide ion

Resonance structures of o-nitrophenoxide ion

It can be observed that the presence of nitro groups increases the stability of phenoxide ion.

Solution 2

The resonance structures of o-and p- nitrophenoxide ions and phenoxide ion are given below:

Due to -R effect of -NO2 group o- and p-nitrophenoxide are more stable than phenoxide ion. As as result, o- and p-nitrophenols are more acidic than phenol

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 NCERT Solution for Chemistry Textbook for Class 12 (2018 to Current)
Chapter 11: Alcohols, Phenols and Ethers
Q: 8 | Page no. 335
Solution Ortho And Para Nitrophenols Are More Acidic than Phenol. Draw the Resonance Structures of the Corresponding Phenoxide Ions. Concept: Preparation of Ethers from Dehydration of Alcohols and Williamson Systhesis.
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