Molecular Geometry and AXE Notation

The video tutorial explains the molecular geometry of sulfur dichloride (SC2). It begins with the importance of a valid Lewis structure and visualizes the molecular geometry by considering the lone pairs and bonded atoms. The tutorial discusses the steric number and bond angles, highlighting the bent molecular geometry and tetrahedral electron geometry. It also introduces the AXE notation to determine the geometry, concluding with the bond angles for SC2.

What is the first step in determining the molecular geometry of SC2?

• Calculating the steric number

• Using AXE notation

• Identifying the bond angles

• Drawing a valid Lewis structure

How do chlorine atoms and lone pairs influence the molecular geometry of SC2?

• They form a tetrahedral shape

• They attract each other, forming a linear shape

• They repel each other, leading to a bent shape

• They do not affect the geometry

What is the molecular geometry of SC2 when lone pairs are considered?

• Linear

• Trigonal planar

• Tetrahedral

• Bent

What is the electron geometry of SC2?

• Trigonal planar

• Bent

• Linear

• Tetrahedral

How many things are bonded to the central sulfur atom in SC2?

• Two atoms and one lone pair

• Two atoms and two lone pairs

• Three atoms and one lone pair

• Four atoms

What is the steric number for SC2?

• 3

• 5

• 2

• 4

What is the approximate bond angle in SC2 due to lone pairs?

• 180°

• 120°

• 103°

• 90°

In AXE notation, what does 'E' represent for SC2?

• Bonded atoms

• Lone pairs

• Bond angles

• Central atom

What is the AXE notation for SC2?

• AX2E

• AX2E2

• AX3E

• AX4

What is the molecular geometry of SC2 according to AXE notation?

• Linear

• Trigonal planar

• Bent

• Tetrahedral