Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 3 - Sections 3.1-3.12 - Exercises - Problems by Topic: 56a

Answer

Name of $HNO_{2}(aq)$ is $nitrous\hspace{1mm} acid.$

Work Step by Step

$HNO_{2}(aq)$ is an oxyacid. Its oxyanion is $NO_{2}^{-}$, i.e nitrite. According to Fig. 3.10, oxyacids with oxanions ending in -ite are named as : $ 'base name \hspace{1mm}of \hspace{1mm}oxyanion' + ous + acid$ Here, basename is $-nitr$. Hence, name of $HNO_{2}(aq)$ is $nitrous\hspace{1mm} acid.$
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