Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 14 - Acids and Bases - Questions for Review and Thought - Topical Questions - Page 652a: 13a


Iodide ion ($I^-$) is the conjugate partner of $HI$.

Work Step by Step

1. Identify if the substance is an acid or a base (or both): - HI is an acid. 2. Since $HI$ is an acid, remove one proton from it: - Remove one hydrogen and subtract one from the charge: $HI -- \gt I^-$ - This is the conjugate base of $HI$. 3. Name it: Ions of nonmetals from group $VII$ receive an "ide" to the name of the element stem name: $I$ = "Iod" Ion: Iodide.
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