6
AssignmentMultiple Choice

Nomenclature of Ionic Compounds

Question 6 • IA-Chemistry A Survey of Chemistry A

What is the IUPAC name for NH3?

Answer
A
ammonia
B
mononitrogen hydride
C
mononitrogen trihydride
D
nitrogen trihydride

Explanation

NH3 is a binary molecular compound made of nitrogen and hydrogen. In naming it, the first element keeps its name, nitrogen, and the second becomes hydride; three hydrogen atoms are indicated by the prefix tri-. The IUPAC name is nitrogen trihydride. “Ammonia” is the common name.

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