VSEPR Theory and Lewis Structures Quiz

What does the steric number indicate in VSEPR theory?

• The number of lone pairs on the central atom

• The number of double bonds in the molecule

• The number of atoms bonded to the central atom

• The total number of bonds and lone pairs around the central atom

What is the bond angle in a molecule with steric number 2?

• 90 degrees

• 109.5 degrees

• 120 degrees

• 180 degrees

Which of the following molecules has a triangular shape?

• HCN

• BCl3

• CF4

• H2Se

What is the geometry of SO2 according to VSEPR theory?

• Linear

• Triangular

• Bent

• Tetrahedral

What is the bond angle in a tetrahedral molecule?

• 90 degrees

• 120 degrees

• 180 degrees

• 109.5 degrees

Which molecule has a trigonal pyramidal shape?

• CF4

• NF3

• HCN

• SO2

How many lone pairs are present in a bent geometry molecule like H2Se?

• None

• One

• Two

• Three

Which molecule has a linear geometry?

• BCl3

• SO2

• HCN

• NF3

What is the shape of a molecule with four steric numbers and no lone pairs?

• Bent

• Linear

• Trigonal pyramidal

• Tetrahedral

Which of the following molecules has a bent shape due to lone pairs?

• CF4

• HCN

• BCl3

• H2Se