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PH3 has a dipole moment , of 0.58 D. Therefore there will be dipole dipole interactions. All molecules experience London dispersion forces as these are caused by the interaction of instantaneous dipoles due to the movement of electrons within the molecules.

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11y ago
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1w ago

PH3 (phosphine) exhibits dispersion forces due to temporary fluctuations in electron distribution, resulting in temporary dipoles which attract neighboring molecules. It also has dipole-dipole interactions due to the permanent dipole moment created by the electronegativity difference between phosphorus and hydrogen atoms.

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Q: Why is ph3 Dispersion and Dipole-Dipole?
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What are ph3's intermolecular forces?

PH3 (phosphine) exhibits London dispersion forces as its primary intermolecular force. Phosphorus is more electronegative than hydrogen, creating a weak dipole moment in the molecule, leading to additional dipole-dipole interactions. Additionally, PH3 can engage in hydrogen bonding with other molecules containing a hydrogen bonded to a nitrogen, oxygen, or fluorine atom.


Ph3 acid or not?

There is no known chemical compound with the formula Ph3 acid. It is not a commonly recognized or studied compound.


What is the oxidation number of PH3?

The oxidation number of phosphorus in PH3 is -3.


What is the chemical symbol for phosphorus hydride?

The chemical symbol for phosphorus hydride is PH3.


What is the chemical formula for phosphorus hydrogen?

The chemical formula for phosphorus hydrogen is PH3.


How many atoms does the formula PH3 have?

The formula PH3 represents one phosphorus atom and three hydrogen atoms. Therefore, PH3 has a total of four atoms.


Is PH3 is stronger than NH3?

PH3 (phosphine) is considered to be a weaker base compared to NH3 (ammonia) because the electronegativity of phosphorus is greater than nitrogen, making the lone pair on phosphorus less available for donation. This results in NH3 being a stronger base than PH3.


What type of solid will Ph3 form?

Phosphine (PH3) forms a molecular solid in which individual PH3 molecules are held together by weak van der Waals forces.


WHY ammonia has higher boiling point then phosphine?

NH3 exhibits hydrogen bonding in addition to dispersion forces. This significantly increases the intermolecular force, and raises the boiling point. PH3 does not exhibit hydrogen bonding and the dominant intermolecular force holding these molecules together is dispersion forces. (Dispersion forces also known as Van Der Waal Force)


What is the systematic name for PH3?

It contains a lone pair of electrons. Hence, it can donate it thereby ,its a base. The tendency to donate the electron pairs can determine the basicity of a base. Therefore, PF3 is less basic than PH3.


Is Ph3 a pyramidal?

Yes


Is ph3 an acid base or nutreal?

PH3 is an acid. It is a weak acid that can release a proton (H+) in solution.