Interpretation: The pair in which the formula of the ion does not match the name has to be identified.
Concept Introduction: Polyatomic ions are ions that have more than one atom. While naming polyatomic ions, the name of the less electronegative element is placed first, followed by the higher electronegative element. ‘−ate’ or ‘-ite’ is used as a suffix for anions.
Answer to Problem 1STP
The pair in which the name does not match the given formula is nitrite,
Explanation of Solution
The nitrite ion is composed of one nitrogen and two oxygen along with -1 charge. The chemical formula of nitrite ion is
A sulfite ion is a divalent anion containing one sulfur atom and three oxygen atoms with the formula
Thus, the option (A), (C), and (D) are incorrect.
Chapter 9 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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