What is the angle of the following molecules: SeF 6 , BrF 3 , SbCl 3 and GeCl 4 ? | General Chemistry 1

SeF 6 ⇒ AX 6 ⇒ angle FSeF = 90° BrF 3 ⇒ AX 3 E 2 ⇒ T-shaped so angle = 90° but lone pairs effect ⇒ angle FBrF < 90° SbCl 3 ⇒ AX 3 E ⇒ trigonal pyramidal so angle = 109.5° but lone pairs effect ⇒ angle ClSbCl < 109.5° GeCl 4 ⇒ AX 4 ⇒ tetrahedral ⇒ angle ClGeCl = 109.5°

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Deviation from ideal bond angles | Molecular Geometry

Chapter 9 - Molecular Geometry

What is the angle of the following molecules:

SeF₆, BrF₃, SbCl₃ and GeCl₄?

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Solution

SeF₆⇒ AX₆ ⇒ angle FSeF = 90°

BrF₃ ⇒ AX₃E₂ ⇒ T-shaped so angle = 90° but lone pairs effect ⇒ angle FBrF < 90°

SbCl₃ ⇒ AX₃E ⇒ trigonal pyramidal so angle = 109.5° but lone pairs effect ⇒ angle ClSbCl < 109.5°

GeCl₄ ⇒ AX₄ ⇒ tetrahedral ⇒ angle ClGeCl = 109.5°

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Deviation from ideal bond angles | Molecular Geometry

General Chemistry 1 - Deviation from ideal bond angles