Chapter 8, Problem 1STP

Interpretation Introduction

Interpretation:

The molecular compound name of ${\text{SiI}}_{\text{4}}$ is to be stated.

Concept introduction:

The rule for the naming of the binary compound is shown below.

• The first element in the given formula is named first, using the entire element name.
• Add suffix “ide” to the root name of the second element in the formula.
• Prefix (mono-, di-, tri-, terta-, etc) is used to recognize the number of atoms of each element in the formula.

Answer to Problem 1STP

The molecular compound name of ${\text{SiI}}_{\text{4}}$ is silicon tetraiodide. Therefore, option (D) is the correct option.

Explanation of Solution

Reason for correct option: The given compound is ${\text{SiI}}_{\text{4}}$. The first element in the given formula is Si. The full name of “Si” is “silicon”. The second element in the given formula is I. The root name of “I” is iodine. After adding suffix “ide” to the root name, the second word becomes “iodide”. Now, there are four iodine atoms in ${\text{SiI}}_{\text{4}}$. Therefore, prefix “tetra” will be used to indicate the number of iodine atoms. Therefore, the name of ${\text{SiI}}_{\text{4}}$ will be silicon tetraiodide. Therefore, option (D) is the correct option.

Conclusion

Reason for incorrect option: The molecular compound name of ${\text{SiI}}_{\text{4}}$ is silicon tetraiodide. So, A is incorrect option.

The molecular compound name of ${\text{SiI}}_{\text{4}}$ is silicon tetraiodide. So, B is incorrect option.

The molecular compound name of ${\text{SiI}}_{\text{4}}$ is silicon tetraiodide. So, C is incorrect option.