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The following molecular equation represents the reaction that occurs when aqueous solutions of...

Question:

The following molecular equation represents the reaction that occurs when aqueous solutions of silver nitrate and chromium(III)iodide are combined.

{eq}\rm 3 AgNO_3 (aq) + CrI_3 (aq) \to 3 AgI (s) + Cr(NO_3)_3 (aq) {/eq}

Write the balanced net ionic equation for the reaction.

Net Ionic Equations:

Often, we represent the chemical change that occurs in a reaction by using a molecular equation. We can simplify the chemical equation by writing the net ionic equation. The net ionic equation can be determined from the complete ionic equation. Complete ionic equations show all of the ions that are present in the reaction. However, it is important to note that the net ionic equation excludes the spectator ions that are written in the complete ionic equation.

Answer and Explanation: 1

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Based on the given balanced molecular equation, we find the AgI is the precipitate formed from silver nitrate and chromium (III) iodide are added.

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Precipitation Reactions: Predicting Precipitates and Net Ionic Equations

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Chapter 10 / Lesson 9
127K

Study precipitate reactions. Determine precipitate solubility according to solubility rules. Learn to write ionic equations by following a molecular reaction.


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