QQuestionChemistry
QuestionChemistry
What is the correct name for P^4S^3?
A. Phosphorus (III) sulfide
B. Phosphorus sulfate
C. Tetraphosphorus trisulfide
D. Tetraphosphorus trisulfate
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Answer
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Step 1:Let's solve this step by step:
Step 2:: Identify the elements
- The compound contains phosphorus (P) and sulfur (S) - The subscripts are 4 for phosphorus and 3 for sulfur
Step 3:: Determine the naming convention
- This is a binary molecular compound (contains two non-metal elements) - For binary molecular compounds, we use the prefix system
Step 4:: Apply the prefix rules
- "Tetra-" indicates 4 atoms of the first element (phosphorus) - "Tri-" indicates 3 atoms of the second element (sulfur) - The ending for sulfur changes to "-sulfide" because it's a non-metal compound
Step 5:: Construct the name
- Combining the prefixes and element names gives us: Tetraphosphorus trisulfide
Step 6:: Verify the options
- Option A is incorrect (uses different naming convention) - Option B is incorrect (contains "sulfate" which implies oxygen) - Option C matches our reasoning - Option D is incorrect (contains "sulfate" which implies oxygen)
Final Answer
Tetraphosphorus trisulfide
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