QQuestionChemistry
QuestionChemistry
What is the correct name for SO^3?
A. Sulfate
B. Sulfite
C. Sulfur oxide
D. Sulfur trioxide
E. None of the above
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Answer
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Step 1:I'll solve this chemistry nomenclature problem step by step:
Step 2:: Analyze the chemical formula
- The formula is SO₃ - This contains sulfur (S) and oxygen (O) - There are three oxygen atoms bonded to one sulfur atom
Step 3:: Identify the type of compound
- This is an oxide (contains oxygen) - Specifically, it's a binary compound between a nonmetal (sulfur) and oxygen
Step 4:: Apply IUPAC nomenclature rules for binary oxides
- When a nonmetal forms multiple oxides with oxygen, we use Greek prefixes - The number of oxygen atoms determines the prefix for oxygen - Three oxygen atoms means "tri-" prefix - The base name for sulfur is "sulfur"
Step 5:: Combine the prefix and base name
- "Tri-" + "sulfur oxide" = "Sulfur trioxide"
Step 6:: Verify the answer choices
- Comparing to the given options, this matches option D: Sulfur trioxide
Final Answer
Sulfur trioxide
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