Which of the following molecular compounds is paired with an...

Which of the following molecular compounds is paired with an incorrect name?
a. $\mathrm{NH}_3$, ammonia
b. $\mathrm{H}_2 \mathrm{~S}$, hydrogen sulfide
c. $\mathrm{N}_2 \mathrm{O}_5$, dinitrogen pentoxide
d. $\mathrm{NO}_2$, mononitrogen dioxide

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Key Concepts

Molecular Compound Nomenclature

This concept involves the systematic naming of compounds composed of two or more nonmetals using a set of rules usually established by IUPAC. The nomenclature is based on the composition of the compound, where prefixes indicate the number of each element, and the order of elements follows general conventions regardless of the counter examples in specific choices.

Multiplicative Prefixes

Multiplicative prefixes such as mono-, di-, tri-, etc., are used in the nomenclature of molecular compounds to indicate the number of atoms of each element present in the compound. It is important to note that the prefix 'mono-' is typically omitted for the first element in the compound name, while it is used for subsequent elements when necessary.

IUPAC Naming Conventions

The International Union of Pure and Applied Chemistry (IUPAC) provides standardized rules for naming chemical compounds. These guidelines ensure consistency and clarity in the names of compounds, especially in distinguishing between acceptable and incorrect names based on the application of the correct prefixes and naming order.

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