Molecular Geometry

The number of sigma and pi bonds in the carbon monoxide molecule (CO) is
1. 1; 1
2. 1; 2
3. 2; 2
4. 2; 1
The hybridization on the carbon atom in carbon monoxide (CO) is
1. sp
2. sp²
3. sp³
4. sp³d
For the H₂Te molecule, the molecular geometry is best described as
1. Trigonal pyramidal
2. Bent
3. See-saw
4. T-shaped
Pi bonds are
1. Hybridized s orbitals
2. Hybridized p orbitals
3. Unhybridized s orbitals
4. Unhybridized p orbitals
How many resonance structures are there for the SO₃ molecule?
1. 2
2. 3
3. 4
4. 5
The bond character for the HI molecule is best described as
1. Nonpolar covalent
2. Polar covalent
3. Ionic
Which of the following elements has the lowest electronegativity?
1. H
2. S
3. Cl
4. Ca
5. Ba
Which one of the following has nonpolar bonds?
1. H₂S
2. HCl
3. Br₂
4. OF₂
5. All are nonpolar
The Lewis dot structure for the nitrogen atom would contain __________ electron dots.
1. 1
2. 2
3. 3
4. 4
5. 5
Which one of the following has a double bond?
1. H₂O
2. C₂H₂
3. C₂H₄
4. CN^-
5. None of these
Of the following molecules, which do not obey the octet rule? BeCl₂; H₂O; PCl₃; XeBr₄
1. BeCl₂ and XeBr₄
2. XeBr₄ only
3. All obey the octet rule
4. None obey the octet rule
What is the formal charge on nitrogen in the nitrite ion, NO₂^-?
1. -1
2. 0
3. +1
4. +2
What is the bond angle with respect to nitrogen in the nitrite ion, NO₂^-?
1. ~180 degrees
2. ~120 degrees
3. ~109.5 degrees
4. ~90 degrees
What is the bond order between nitrogen and oxygen in the nitrite ion?
1. 1
2. 1 1/3
3. 1 1/2
4. 2
Which of the following is a correct description of the polarity with respect to the xenon dichloride molecule
1. It's polar with electrons drawn towards the chlorine atoms.
2. It's polar with electrons drawn towards the xenon atom.
3. It's nonpolar because it's linear.
4. It's nonpolar because Xe and Cl both have exactly the same electronegativity.

Molecular Geometry

Quiz