AP Chem 2.7/3.1 Quiz

Give the formal charges for the first Lewis dot structure at the right. (The one at the very top.)

N = ? C = ? S = ?

• N = 0 C = 0 S = -1

• N = 0 C = 0 S = 0

• N = +1 C = 0 S = 0

• N = -1 C = +1 S = +1

What is the steric number for SeO₂?

• 2

• 3

• 4

• 5

How many sigma bonds are found in the molecule shown?

• 3

• 9

• 13

• 14

How many pi bonds are found in the molecule shown?

• 2

• 3

• 6

• 9

Describe the hybridization of the carbon on the far right containing a triple bond.

• sp

• sp²

• sp³

Describe the hybridization of the carbon on the far left. This carbon is double bonded to the another carbon.

• sp

• sp²

• sp³

Identify the IMF between the two iodine molecules shown.

• London Dispersion Force

• Hydrogen bonding

• dipole-dipole

• ion-dipole

Identify the IMF occurring between Na⁺ and H₂O shown in the diagram.

• London Dispersion Force

• Ion-Dipole

• Dipole-Dipole

• Hydrogen bonding

Identify the IMF occuring in the diagram.

• LDF

• Ion-Dipole

• Dipole-Dipole

• Hydrogen Bonding

Identify the IMF in the diagram shown.

• dipole-dipole

• LDF

• Hydrogen bonding

• ion-dipole