1.

(a) How will you convert an alkyl halide to a primary amine whose molecule has one more carbon atom than the used alkyl halide molecule ? (b) Why are amines more basic than the comparable alcohols ?

Answer»

Solution :(a) The conversion can be carried out as under (ascent of series) :
`""UNDERSET("Chloromethane")(CH_(3)Cl)+KCN rarr underset("Ethane nitrile")(CH_(3)C equiv N) underset(4[H])overset(Na//C_(2)H_(5)OH)(rarr) underset("ETHANAMINE")(CH_(3)CH_(2)NH_(2))`
(b) Oxygen is more electronegative than nitrogen. Therefore, oxygen has less tendency to donate the electrons COMPARED to nitrogen. That is why AMINES containing N are more basic than alcohols containing oxygen.


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