Multiple Choice
According to the rules for naming binary molecular compounds, what is the correct name of ?
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5. Molecules and Compounds
Naming Binary Molecular Compounds
Multiple Choice
In the context of naming binary molecular compounds, what is the correct name of the compound ?
A
Nitrous acid
B
Nitrogen trihydride
C
Ammonium
D
Ammonia
Verified step by step guidance1
Identify the compound given: NH₃, which consists of nitrogen (N) and hydrogen (H) atoms.
Recall that binary molecular compounds are named using prefixes to indicate the number of atoms and the element names, typically ending the second element with '-ide'.
Apply the naming rules: 'Nitrogen trihydride' follows the binary molecular compound naming convention, where 'tri-' indicates three hydrogens and 'hydride' indicates hydrogen as the second element.
Recognize that NH₃ is a common compound with a well-known common name: ammonia, which is used instead of the systematic binary name.
Understand that 'Nitrous acid' and 'Ammonium' are different chemical species; nitrous acid contains oxygen and ammonium is a polyatomic ion (NH₄⁺), so the correct common name for NH₃ is ammonia.
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