1.

The reactivity of compound Z with different hologebs under apppropriate conditions is give below: The observed pattern of electrophilic substitution cannot by explained by

Answer»

The steric effect of the halogen
The steric effect of the tert-butey`1` group
The electronic effect of the PHENOLIC group
The electronic effect of the tert-buty`1 group

Solution :
(I),(II) and (III) are probable positions as per electronic effect of `OH` group WHER electrophile can attack and due to steric HINDRANCE at (II) and (III) positions bulky electrophiles are not PREFERRED like I only preferred at position I, Bromine at positions `II`and `I` is while chlorine at all three positions.


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