Organic Chemistry (8th Edition)

Published by Pearson
ISBN 10: 0321768418
ISBN 13: 978-0-32176-841-4

Chapter 2 - Structure and Properties of Organic Molecules - Problems: Problem 2-14 h

Answer

1) The lewis structure is shown in the picture. 2) The dipole moment in C-H bond is towards carbon, in N-H bond is towards N and in C-N bond is towards N. The molecular dipole is towards N. 3) The compound has a large dipole moment.
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Work Step by Step

1) The lewis structure is drawn the way it is written. The hydrogens are drawn attached to the carbon which is double bonded to N and N is bonded to hydrogen. 2) The dipole moment in C-H bond is towards carbon because carbon is more electronegative than hydrogen, in N-H bond is towards N because nitrogen is more electronegative than hydrogen and in C-N bond is towards N because nitrogen is more electronegative than carbon. The lone pairs also contribute towards the molecular dipole moment. Thus, the molecular dipole is towards N. 3) The compound has a large dipole moment.
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