1.

71.The product of the given reactionCHOBr,CCIAОСН,ОНCHOCHO(2)ТоГОСН,BEYOCHBrОНОНCHOBryCHO- Br(3)(4) | OIYOCH,ОНОСН,ОН

Answer»

2) is the answer.Because CHO is a meta directing group .



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