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What Is the Correct Molecular Formula for the Compound Tetraphosphorus Trisulfide?
Tetraphosphorus trisulfide is an inorganic compound composed of phosphorus and sulfur atoms. It is commonly used in the production of safety matches due to its flammable nature. Understanding the correct molecular formula for this compound is essential for chemical scientists and researchers working with it. In this article, we will explore the molecular formula of tetraphosphorus trisulfide, its properties, and answer some frequently asked questions.
Molecular Formula of Tetraphosphorus Trisulfide:
The molecular formula of tetraphosphorus trisulfide is P4S3. This compound consists of four phosphorus atoms (denoted by the symbol P) and three sulfur atoms (denoted by the symbol S). The number in front of each element represents the ratio of atoms in the compound, indicating that there are four phosphorus atoms for every three sulfur atoms in tetraphosphorus trisulfide.
Properties of Tetraphosphorus Trisulfide:
1. Appearance: Tetraphosphorus trisulfide exists as a yellow solid at room temperature.
2. Melting and Boiling Point: It has a melting point of approximately 280 °C (536 °F) and a boiling point around 530 °C (986 °F).
3. Odor: Tetraphosphorus trisulfide has a distinct odor that can be described as garlic-like.
4. Solubility: This compound is insoluble in water but dissolves in organic solvents like carbon disulfide (CS2) and chloroform (CHCl3).
5. Reactivity: Tetraphosphorus trisulfide is highly reactive with oxidizing agents and can produce toxic sulfur dioxide gas when heated.
FAQs:
Q1. What is the difference between a molecular formula and an empirical formula?
A molecular formula represents the exact number of atoms of each element in a compound, while an empirical formula shows the simplest whole-number ratio of atoms present in a compound. In the case of tetraphosphorus trisulfide, the molecular formula is P4S3, whereas the empirical formula would be P2S.
Q2. How is the molecular formula determined?
The molecular formula is determined through various analytical techniques such as elemental analysis, spectroscopy, and mass spectrometry. These methods help in identifying the types and ratios of atoms present in a compound.
Q3. Can tetraphosphorus trisulfide be found naturally?
Yes, tetraphosphorus trisulfide can be found in nature, specifically in certain types of minerals. One example is the mineral called phosphorus pentasulfide, which contains tetraphosphorus trisulfide as a component.
Q4. What are the applications of tetraphosphorus trisulfide?
Apart from its use in safety matches, tetraphosphorus trisulfide is also utilized in the production of pesticides and fireworks. Additionally, it finds applications in the synthesis of other phosphorus and sulfur-containing compounds.
Q5. Is tetraphosphorus trisulfide hazardous?
Tetraphosphorus trisulfide is considered hazardous due to its flammable nature and the release of toxic sulfur dioxide gas when heated. It should be handled with caution, and proper safety measures must be followed to avoid any accidents or exposure.
In conclusion, the correct molecular formula for tetraphosphorus trisulfide is P4S3. This compound, commonly used in safety matches, consists of four phosphorus atoms for every three sulfur atoms. Understanding its molecular formula and properties is crucial for researchers and scientists working with tetraphosphorus trisulfide to ensure their safety and accurate experimentation.
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