L6 Shapes of molecules

Which of the following molecules does NOT have a linear shape?

• CS₂

• HCN

• OF₂

• BeF₂

Which is the most likely bond angle around the oxygen atom in ethanol?

• 104.5°

• 109.5°

• 120°

• 180°

Which of these species has a trigonal planar structure?

• PH₃

• BCl₃

• H₃O⁺

• CH₃⁻

Which one of the following is the most likely value for the bond angle α shown in the diagram of SF₄?

• 118°

• 101°

• 90°

• 88°

What is the shape of a CH₂Cl₂ molecule?

• Linear

• Trigonal planar

• Tetrahedral

• Octahedral

How many bonding pairs and lone pairs for a pyramidal molecule?

• 2 bonding pairs 2 lone pairs

• 2 bonding pairs 0 lone pairs

• 3 bonding pairs 1 lone pairs

• 4 bonding pairs 2 lone pairs

What is the bond angle of an ammonium ion

• 107.0

• 104.5

• 109.5

• 120.0

What is the correct order of the bonding angles from biggest to smallest?

• Bonding pair/Bonding pair > Lone pair/Bonding pair >Lone pair/Lone pair

• Lone pair/Lone pair > Bonding pair/Bonding pair > Lone pair/bonding pair

• Lone pair/Lone pair > Lone pair/Bonding pair > Bonding pair/Bonding pair

Which of the following molecular shapes would have a bond angle of 180 Degrees?

• Bent
• Trigonal Planar
• Tetrahedral
• Linear

Which e pair repulsion leads to square planar

• 4 lone pairs 2 bond pairs

• 2 lone pairs 4 bond pairs

• 6 bond pairs

• 2 lone 2 bond pairs