The following compounds are water-soluble. What ions are...

The following compounds are water-soluble. What ions are produced by each compound in aqueous solution?
(a) KI
(b) $\mathrm{Mg}\left(\mathrm{CH}_{3} \mathrm{CO}_{2}\right)_{2}$
\begin{aligned}
&\text { (c) } \mathrm{K}_{2} \mathrm{HPO}_{4}\\
&\text { (d) } \mathrm{NaCN}
\end{aligned}

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Key Concepts

Ions

Ions are atoms or molecules that have gained or lost electrons, resulting in a net electric charge. In the context of aqueous solutions, the production of ions from dissolved compounds is essential for chemical reactions, electrical conductivity, and balancing charges in solution.

Dissociation in Aqueous Solution

Dissociation in aqueous solution refers to the process by which an ionic compound, when dissolved in water, splits into its individual ions. This process is critical in understanding how substances behave in solution and how they contribute to properties such as conductivity.

Ionic Compounds

Ionic compounds are made up of positively charged ions (cations) and negatively charged ions (anions) that are held together by strong electrostatic forces. In aqueous environments, these compounds typically separate into their constituent ions.

Water Solubility

Water solubility is the ability of a substance to dissolve in water. For ionic compounds, this means that water molecules surround and interact with the positive and negative ions, effectively breaking the ionic bonds and allowing the ions to move freely in the solution.

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