Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 8 Bonding and Molecular Structure - Study Questions: 68

Answer

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Work Step by Step

In $NO_2^+$ the nitrogen makes two double bonds and has no lone electron pair, therefore it has a linear geometry and a bond angle of 180$^{\circ}$. In $NO_2^-$ the nitrogen makes one double and one single bond and has one lone electron pair, therefore it has a bent geometry from the trigonal planar archetype and a bond angle of 120$^{\circ}$.
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