QQuestionChemistry
QuestionChemistry
"Name this compound according to IUPAC nomenclature rules.
A) nitrogen oxide
B) nitrogen oxygen
C) nitrogen monoxide
D) mononitrogen monoxide"
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Answer
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Step 1:: Identify the number of each element in the compound.
The compound is called "nitrogen oxide," and it consists of two elements: nitrogen (N) and oxygen (O).
Step 2:: Determine the number of oxidation states for each element.
In this case, nitrogen is in its + 2 oxidation state, and oxygen is in its - 2 oxidation state. This is because nitrogen forms a positive ion (nitride, N³⁻) and oxygen forms a negative ion (oxide, O²⁻). When these ions combine, they form the nitrite ion (NO²⁻), which has a + 1 charge overall.
Step 3:: Apply the IUPAC rules for naming binary compounds.
For binary compounds, where there are only two elements, the IUPAC rules state that the element with the lower group number in the periodic table should be named first, followed by the name of the element with the higher group number, with the word "oxide" added at the end. In this case, nitrogen has a lower group number (15) than oxygen (16), so we name it as a nitrogen oxide.
Step 4:: Determine the charge of the cation and anion.
\frac{charge\ of\ cation}{charge\ of\ anion} = \frac{-3}{-2} = \frac{3}{2}
In this case, the charge of the nitride ion is - 3 and the charge of the oxide ion is - 2. Since the overall charge of the nitrite ion is + 1, we can determine the ratio of the ions by dividing the charge of the cation by the charge of the anion: This means that there are 3 nitride ions for every 2 oxide ions in the compound.
Step 5:: Write the formula for the compound.
The formula for the compound is determined by the ratio of the ions. In this case, the formula is NO.
Step 6:: Compare the given options to the formula.
The given options are: A) nitrogen oxide B) nitrogen oxygen C) nitrogen monoxide D) mononitrogen monoxide Based on the formula and the IUPAC rules, the correct answer is: C) nitrogen monoxide
Final Answer
The compound is called nitrogen monoxide.
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