Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryAmines2 Marks
Question
Aniline cannot be prepared by Gabriel phthalimide synthesis.
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Answer
In Gabriel-phthalimide synthesis of aniline, potassium phthalimide requires the treatment with chlorobenzene or bromobenzene. Since aryl halides do not undergo nucleophilic substitution reaction. Therefore, chlorobenzene or bromobenzene does not react with potassium phthalimide to give N-phenylphthalimide and hence aniline cannot be prepared by Gabriel phthalimide synthesis.
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