1.

Explain the following with an exampe in each : {:((i)"Kolbe's reaction.",(i)"Reimer-Tiemann reaction."),((iii)"Williamson ether synthesis.",):}

Answer»

Solution :(i) Kolbe's reaction

(III) WILLIAMSON ETHER synthesis : It involves treatment of ALKYL halide with sodium alkoxide. It flowers `SN(2)` fmachanism.
`2ROH+2Nato2Roverset(-)ONa^(+)+H_(2)`
`underset("Halide")underset("Alkly")(RONa+)RXoverset(SN_(2))tounderset("Ether")(R-O)-RNaX`
`underset("Sodium ethoxide")(CH_(3)CH_(2)-)overset(-)O-overset(+)Na+underset("ethyl BROMIDE")(CH_(3)CH_(2))Br tounderset("Ether ethoxyethane")(CH_(3)CH_(2)-O-CH_(2))CH_(3)`


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