11 grade chemistry others
Which of the following is a polar molecule?
- (A) XeF₄
- (B) BF₃
- (C) SF₄
- (D) SiF₄
Which of the following is a polar molecule?
- (A) XeF₄
- (B) BF₃
- (C) SF₄
- (D) SiF₄
1 Answer
Askiitians Tutor Team
Approved Tutor Answer10 Months agoTo determine which of the given options is a polar molecule, we need to consider the molecular geometry and the electronegativity of the atoms involved.
Analyzing the Options
- (A) XeF₄: This molecule has a square planar shape, which is symmetrical. Therefore, it is nonpolar.
- (B) BF₃: Boron trifluoride has a trigonal planar structure, making it symmetrical and nonpolar as well.
- (C) SF₄: Sulfur tetrafluoride has a see-saw shape due to the presence of lone pairs on sulfur. This asymmetry leads to a net dipole moment, making it polar.
- (D) SiF₄: Silicon tetrafluoride has a tetrahedral geometry, which is symmetrical, resulting in a nonpolar molecule.
Final Answer
The polar molecule among the options is SF₄.
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