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CLASS :- 12 SUBJECT :- CHEMISTRY chapter :- preparation of haloarene diazotisation reaction , sandmeyers reaction , gattermann reaction and hunsdiecker reaction

CLASS IX, X , XI , XII , NEET and JEE
CLASS :- 12

   SUBJECT  :-  CHEMISTRY  

chapter  :- preparation of haloarene

diazotisation reaction , sandmeyers reaction , gattermann reaction and hunsdiecker reaction