2006-07-31 23:06:05 · 4 answers · asked by cute girl 1 in Science & Mathematics ➔ Chemistry
b/c they form a double bond
2006-07-31 23:12:05 · answer #1 · answered by Fat Guy 5 · 0⤊ 0⤋
C-N bonds in aromatic amines have a partial double bond character due to resonance (lone pair of N also involved in resonance with aromatic ring) . As we know as bond length decreases with increase in bond order.
2006-07-31 23:30:36 · answer #2 · answered by Anonymous · 0⤊ 0⤋
lone pair electrons in N, which occupy p orbitals perpendicular to C-N bond, can donate electron to make a phi bond, or resonace with carbon atom in aromatic ring who also have perpendicular orbital . so C-N bond has partial double bond and therefore shorter.
C in aliphatic amines has sp3 hibridization (tetrahedral, no perpendicular orbital)
2006-08-01 02:05:25 · answer #3 · answered by arifin ceper 4 · 0⤊ 0⤋
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2016-12-14 17:21:39 · answer #4 · answered by Anonymous · 0⤊ 0⤋