1.

Identify Z in the sequence of reaction : CH_(3)CH_(2)CH= CH_(2) underset(H_(2)O_(2))overset(HBr)to Y overset(C_(2)H_(5)Ona)to Z

Answer»

`CH_(3)-(CH_(2))_(3)-O-CH_(2)CH_(3)`
`(CH_(3))_(2)CH_(2)-O-CH_(2)CH_(3)`
`CH_(3)(CH_(2))_(4)-O-CH_(3)`
None

Solution :`CH_(3)CH_(2)CH= CH_(2) underset(H_(2)O_(2))overset(HBr)to underset(H)underset(|)CH_(3)CH_(2)overset(Br)overset(|)CH-CH_(2) overset(C_(2)H_(5)ONa)to CH_(3)-(CH_(2))_(3)-OCH_(2)CH_(3)`
HBr in presence of peroxide gives ANTI Markovnikov addition product. `1^(@)` alkyl HALIDE on reaction with `C_(2)H_(5)ONa` gives `SN^(2)` reaction.


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