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NEETChemistryAmines

A solution contains 1 g mol. each of p-toluene diazonium chloride and p-nitrophenyl diazonium chloride. To this 1 g mol. of alkaline solution of phenol is added. Predict the major product. Explain your answer.

Options

  1. AThe major product will be p-tolyl phenyl ether.
  2. BThe major product will be p-nitrophenyl phenyl ether.
  3. CThe major product will be phenolphthalein.
  4. DIn alkaline medium, phenol generates phenoxide ion which is more electron rich than phenol and hence more reac

Correct answer

D. In alkaline medium, phenol generates phenoxide ion which is more electron rich than phenol and hence more reac

Step-by-step solution

Correct Option is : (D) In alkaline medium, phenol generates phenoxide ion which is more electron rich than phenol and hence more reactive for electrophilic attack. The electrophile in this reaction is aryl diazonium cation. Stronger the electrophile faster is the reaction. p-Nitrophenyl diazonium cation is a stronger electrophile than p-toluene diazonium cation. Therefore, it couples preferentially with phenol.

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