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Explain the fact that in ary alkyl ethers (i) the alkoxy group activates the benzene ring towards electrophilic substitution and (ii) it direct the incoming substituents to ortho - and para - positions in benzene ring. |
Answer» Solution :Pairs of ELECTRONS on oxygen are donated to the bezene ring and this is stabilised by resonance STRUCTURES I to V. ORTHO- and para - positions are negative and the INCOMING substituents are attached at these positions. 
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