SI Session 14

What does VSEPR stand for in chemistry?

• Valence Shell Electron Pair Repulsion

• Valence Shell Electron Pair Rotation

• Valence Shell Electron Pair Reaction

• Valence Shell Electron Pair Resonance

Which of the following is the electron-pair geometry for a molecule with four electron pairs around the central atom?

• Linear

• Trigonal Planar

• Tetrahedral

• Octahedral

• Linear

• Trigonal Planar

• Tetrahedral

• Trigonal Pyramidal

• 0

• 1

• 2

• 3

• Trigonal Bipyramidal

• Tetrahedral

• Octahedral

• Square Planar

• Tetrahedral

• Square Planar

• Trigonal Bipyramidal

• Octahedral

What is the electron-pair geometry of a molecule with a steric number of 5?

• Linear

• Trigonal Planar

• Tetrahedral

• Trigonal Bipyramidal

How does the presence of lone pairs affect the molecular geometry of a molecule?

• Lone pairs increase bond angles.

• Lone pairs decrease bond angles.

• Lone pairs do not affect bond angles.

• Lone pairs convert single bonds to double bonds.

Describe the difference between electron-pair geometry and molecular geometry.

• Electron-pair geometry considers only bonded atoms, while molecular geometry considers lone pairs.

• Electron-pair geometry considers lone pairs and bonded atoms, while molecular geometry considers only bonded atoms.

• Electron-pair geometry considers only lone pairs, while molecular geometry considers bonded atoms.

• Electron-pair geometry and molecular geometry are the same.

• Tetrahedral

• Trigonal Bipyramidal

• Octahedral

• Square Planar