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Why all the 5bonds in pcl5 are not equivalent Explain?
In phosphorus pentachloride (PCl₅), the five P–Cl bonds are not equivalent due to the molecule's trigonal bipyramidal geometry. The three equatorial bonds are arranged in a plane at 120-degree angles to each other, while the two axial bonds are oriented perpendicular to this plane at 180 degrees. This difference in spatial arrangement leads to variations in bond lengths and angles, resulting in the bonds having slightly different characteristics. Consequently, the five P–Cl bonds exhibit different environments, making them non-equivalent.
Why is pcl5 an exception to the octet rule while pcl3 not?
PCl5 is an exception to the octet rule because phosphorus, the central atom, can expand its octet to accommodate more than eight electrons due to the availability of d-orbitals in its valence shell. In PCl5, phosphorus forms five bonds with chlorine atoms, allowing it to hold ten electrons. In contrast, PCl3 adheres to the octet rule, as phosphorus forms only three bonds with chlorine, resulting in a stable configuration with eight electrons around it. Thus, PCl5 exhibits expanded valence shell capabilities, while PCl3 does not.
How many atoms do PCl5 have?
PCl5, or phosphorus pentachloride, consists of one phosphorus atom and five chlorine atoms. Therefore, it has a total of six atoms.
Is PCl5 an electrolyte?
Yes, PCl5 is a binary molecular compound.
How Many Moles Of PCl5 Can Be Produced From 58.0 G Of Cl2 (and Excess P4)?
To determine how many moles of PCl5 can be produced from 58.0 g of Cl2, we first need to calculate the moles of Cl2. The molar mass of Cl2 is approximately 70.9 g/mol, so the number of moles of Cl2 is 58.0 g / 70.9 g/mol ≈ 0.819 moles. The balanced reaction for the formation of PCl5 from P4 and Cl2 is: P4 + 10 Cl2 → 4 PCl5. From this, we see that 10 moles of Cl2 produce 4 moles of PCl5, so 0.819 moles of Cl2 can produce (0.819 moles Cl2) * (4 moles PCl5 / 10 moles Cl2) ≈ 0.3276 moles of PCl5. Thus, approximately 0.328 moles of PCl5 can be produced.
How many covalent bonds can phophorous form?
maximum of five single covalent bonds as in PCl5
What is the decomposition reaction for PCl5?
The decomposition reaction for PCl5 is represented as follows: PCl5 (s) → PCl3 (g) + Cl2 (g). This reaction involves the breaking down of solid phosphorus pentachloride (PCl5) into gaseous phosphorus trichloride (PCl3) and chlorine gas (Cl2). The reaction is endothermic, requiring energy input to break the bonds within the PCl5 molecule.
What is the bond for P and Cl?
Phosphorus and chlorine can form a variety of bonds, including ionic bonds where phosphorus (P) gains electrons from chlorine (Cl) to form PCl5 or covalent bonds where they share electrons to form compounds such as PCl3 or PCl5.
Why PCl5 is used in organic rections than NCl5?
PCl5 is often preferred in organic reactions over NCl5 because it is a stronger and more reactive chlorinating agent. PCl5 has a greater ability to replace hydroxyl groups with chlorine atoms in organic molecules, leading to a higher yield of the desired chlorinated product. Additionally, PCl5 is easier to handle and less toxic compared to NCl5.
Why PCl5 is reactive but SF6 is stable?
PCL5 is formed two types of P-CL bond, equitorial and axial bonds. The axial bonds suffer more repulsion than the equitorial bonds, and they can easily break, which makes PCL5 unstable. SF6 is largely inert due to steric hindrance.
What are the intermolecular forces in PCl5?
In the solid PCl5 is ionic PCl4+ PCl6- In the gas and liquid phases molecular PCl5 is present which does not have a permanent dipole moment. The intermolecular force is a london dispersion force.
Why is the bond lengths in PCl5 unequal?
The structures for the phosphorus chlorides are invariably consistent with VESPER theory. The structure of PCl5 depends on its environment. Gaseous and molten PCl5 is a neutral molecule with trigonal bipyramidal . The hypeRVALENT nature of this species can be explained with three-center four-electron bonding model. This trigonal bipyramidal structure persists in non-polar solvents, such as CS2 and CCl4.In the solid state PCl5 is ionic, formulated PCl4+ PCl6−.
What is the for PCl5?
Phosphorus pentachloride (PCL5)
What is the formula for the molecular compound phosphorus pentachloride?
PCl5 Phosphorous pentachlorideP for Phosphorous and 5 Cl for chloride= PCl5 College Chemistry student
What is the name of PCl5 compound?
The name of the compound PCl5 is phosphorus pentachloride.
Why is pcl5 an exception to the octet rule while pcl3 not?
PCl5 is an exception to the octet rule because phosphorus, the central atom, can expand its octet to accommodate more than eight electrons due to the availability of d-orbitals in its valence shell. In PCl5, phosphorus forms five bonds with chlorine atoms, allowing it to hold ten electrons. In contrast, PCl3 adheres to the octet rule, as phosphorus forms only three bonds with chlorine, resulting in a stable configuration with eight electrons around it. Thus, PCl5 exhibits expanded valence shell capabilities, while PCl3 does not.
What is the name for the molecular compound PCl5?
The name for the molecular compound PCl5 is phosphorus pentachloride.
