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Give the major product formed by heating the following ethers with conc. HI and mentioning S_(N^(1))or S_(N^(2)) mechanism. (i) C_(6)H_(5)-O-CH_(3)(Methoxybenzene) (ii) C_(6)H_(5)CH_(2)-O-C_(2)H_(5)(Benzyl ethyl ether) (iii) C_(6)H_(5)CH_(2)-O-C_(6)H_(5)(Benzyl phenyl ether) |
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Answer» Solution :[Hint] `underset("Phenol")(C_(6)H_(5)OH)+CH_(3)I(S_(N^(2))` REACTION, `1^(@)` R group) (ii) `underset("BENZYL iodide")(C_(6)H_(5)CH_(2)I)+underset("Ethanol")(C_(2)H_(5)OH)(S_(N^(1))` reaction, due to stability of benzyl `C^(+))` (iii) `underset("Phenol")(C_(6)H_(5)OH)+CH_(3)I(S_(N^(2))` reaction, `1^(@)` R group) (ii) `underset("Benzyl iodide")(C_(6)H_(5)CH_(2)I)+underset("Ethanol")(C_(2)H_(5)OH)(S_(N^(1))` reaction, due to stability of benzyl `C^(+))`  
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