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Discussthereaction mechanismoffollowingreactions:(1)o - nitrochlorobenzene reactswithalkali.(2)p-nitro chlorobenzene reactswithalkali. |
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Answer» Solution :Arylhalidesundergo nucleophilicdisplacementreactionsreadilywhen astrongelectronwithdrawinggrouplike-` NO_ 2`is presentat-orthoor -PARAPOSITIONS. (1)Wheno- nitrochlorobenzenreactswith ALKALI, o-nitrophenolisobtained. When - `NO_2`groupat ORTHO positionwithrespecttohalogen, thenmechanism ofthereactionis asfollows : ![]() (2) Whenp-nitrochlorobenzenereactswithalkali, p - ntirophenolisobtained. When-` NO _ 2 `GROUP at parapositionwithrespecttohalogen,thenmechanismofthereactionisasfollows :
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