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The correct order of increasing basic nature of following bases is

$\begin {array} {1 1} (A)\;2<5<1<3<4 & \quad (B)\;5<2<1<3<4 \\ (C)\;2<5<1<4<3 & \quad (D)\;5<2<1<4<3 \end {array}$


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Among the given amines 2is least basic Because nitro group withdraws electrons and renders Lone pair of electrons on nitrogen less available.In structure 4 OMe group is electron donating and increases the electron density on nitrogen
Ans : (A)
answered Mar 26, 2014 by thanvigandhi_1

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