CourseCourseConceptConceptDocsDocuments

Edexcel A-Level Chemistry AS 3.18 And Explain the Shapes of and Bond Angles in Becl2 Bcl3 Ch4 Nh3 Nh4 H2o Co2 Gaseous Pcl5 Sf6 and C2h4 Questions

Count electron regions around the central atom, arrange them for minimum repulsion and reduce angles where lone pairs exert stronger repulsion than bonding pairs.

Syllabus
First assessment 2019
Course
Chemistry YCH11
Level
AS

Exam points

  • Count bonding and lone pairs around the central atom before assigning geometry.
  • Explain angle compression using lone-pair–bond-pair repulsion greater than bond-pair repulsion.

Edexcel A-Level Chemistry AS 3.18 And Explain the Shapes of and Bond Angles in Becl2 Bcl3 Ch4 Nh3 Nh4 H2o Co2 Gaseous Pcl5 Sf6 and C2h4 Questions question 1

[Maximum number: 3]

The elements carbon and silicon both form dioxides.

The shape of the carbon dioxide molecule affects its physical properties.

Explain the shape of the carbon dioxide molecule.

All question bank results loaded