Chapter 8.2, Problem 25PP

Interpretation Introduction

Interpretation:

The formula of the compound silver chloride should be written.

Concept introduction:

Ionic compounds are named last by its anion and first by its cation. Salts are the combination of cations and anions.

Answer to Problem 25PP

Formula of the compound silver chloride is $\text{AgCl}$.

Explanation of Solution

Given compound is silver chloride. Silver chloride is an ionic compound. Thus, silver chloride is named first by its cation silver $\left({\text{Ag}}^{\text{+}}\right)$ than by its anion chloride $\left({\text{Cl}}^{-}\right)$. Thus, formula of silver chloride is $\text{AgCl}$.

Conclusion

Cations retains same name as element on naming ionic compound. Anion name is same but ending is replace with ‘−ide’.