Question

Write the product formed when p-nitrochlorobenzene is heated with aqueous naoh at 443k followed by acidification

Answer 1

Answer: When p-nitrochlorobenzene is heated with aqueous NaOH at 443k then it forms p-nitrophenol with Sodiumhydroxide.

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(Reaction is provided in the middle of the image.)

Answer 2

The product formed when p-nitrochlorobenzene is heated with aqueous NaOH at 443k followed by addition of acid is m-nitrophenol.

• The above reaction is an example of second order nucleophilic aromatic substitution.
• First step is the formation of benzyne as an intermediate by elimination of HCl.
• After that , the hydroxyl group does a nucleophilic addition on the meta position.