Determine whether each molecule given below is polar or nonpolar.
Drag the appropriate items to their respective bins.
Polar
Nonpolar
XeF PBrs
CH₂C
HS
The Correct Answer and Explanation is :
Molecules:
- XeF₂ (Xenon Difluoride)
- Nonpolar
- Explanation: Xenon difluoride has a linear molecular geometry with two fluorine atoms bonded to xenon in opposite directions. Due to the symmetry of the molecule, the dipole moments of the bonds cancel each other out, resulting in a nonpolar molecule.
- PBr₅ (Phosphorus Pentabromide)
- Nonpolar
- Explanation: Phosphorus pentabromide has a trigonal bipyramidal molecular geometry. The bromine atoms are arranged symmetrically around the phosphorus atom. Despite the polar bonds between phosphorus and bromine, the symmetrical arrangement causes the dipole moments to cancel out, making the molecule nonpolar.
- CH₂Cl₂ (Dichloromethane)
- Polar
- Explanation: Dichloromethane has a tetrahedral structure with two hydrogen atoms and two chlorine atoms bonded to a central carbon atom. The chlorine atoms are more electronegative than hydrogen, creating dipole moments. These dipoles do not cancel out because the molecule is asymmetrical, resulting in a polar molecule.
- HS (Hydrosulfide ion)
- Polar
- Explanation: The hydrosulfide ion consists of a sulfur atom bonded to a hydrogen atom. The sulfur-hydrogen bond is polar due to the difference in electronegativity between sulfur and hydrogen. The asymmetry of the molecule causes a net dipole moment, making it polar.
Summary of classification:
Polar:
- CH₂Cl₂
- HS
Nonpolar:
- XeF₂
- PBr₅
Now, I will generate an image showing the molecular structures of these compounds.
Here is the illustration of the molecules you asked about. It shows the structures of XeF₂, PBr₅, CH₂Cl₂, and HS with their bonding arrangements. I hope this helps visualize their polarities! Let me know if you’d like further details or explanations.
