Quiz 1

Which of the following is true? A) a bond order of 0 represents a stable chemical bond B) electrons placed in antibonding orbitals stabilize the ion/molecule C) The total number of molecular orbitals formed doesn't always equal the number of atomic orbitals in the set D) When two atomic orbitals come together to form two molecular orbitals, one molecular orbital will be lower in energy than the two separate atomic orbitals and one molecular orbital will be higher in energy E) all of the above

Use the molecular diagram shown to determine which of the following is MOST stable A) F2 B) F2^2- C) Ne2^2+ D) O2^2+ E) F2^2+

Use the molecular orbital diagram shown to determine which of following is paramagnetic A) C2^2- B) B2 C) B2^2- D) N2^2+ E) B2^2+

Based on molecular orbital theory, the bond orders of H—H bonds in H2, H2^+, and H2^- are ______, respectively

in molecular orbital theory, the sigma 1s orbital is ____ and the sigma 1s orbital is ______ in the H2 molecule

Based on molecular orbital theory, the bond order of the H—H bond in H2^+ ion is _____

an antibonding pi orbital contains a max of _____ electrons

of the following, only ____ appears to gain mass in a magnetic field

Based on molecular orbital theory, the bond order of the C—C bond in the C2 molecule is ___

Of the following, ______ appears to gain mass in a magnetic field B2, N2, O2

An antibonding MO ______ the corresponding bonding MO.

According to MO theory, overlap of two p atomic orbitals produces

The more effectively two atomic orbitals overlap,

According to MO theory, overlap of two p atomic orbitals produces

Based on molecular orbital theory, there are _____ unpaired electrons in the OF^+ ion

The bond order of a homonuclear diatomic molecule can be decreased by

Draw the molecular orbital diagram shown to determine which of the following is paramagnetic A) N2^2+ B) B2^2+ C) B2^2- D) C2^2- E) B2

Draw the molecular orbital diagram shown to determine which of the following is MOST stable A) B2^2+ B) C2^2+ C) N2^2+ D) C2^2- E) B2

Identify the number of electron groups around a molecule with so hybridization

Identify the number of electron groups around a molecule with sp^2 hybridization

The hybridization if the oxygen atom labeled x in the structure below is

The lewis structure of carbon dioxide is given below. The hybridization is the carbon atom in carbon dioxide is

the hybridization if the carbon atom labeled x in the molecule below is

identify the number of electron groups around a molecule with sp^3 hubridization

give the hybridization for the S in SO3

how many of the following molecules have sp^w hybridization in the central atom HCN SO2 OCL2 XeCl2

Give the hybridization for the C in HCN

the molecular geometry of the right most carbon in the molecule below is

the bond angle marked a in the following molecule is about

Of the following species, ___ will have bond angles of 120° A) BCl3 B) ClF3 C) NCl3 D) PH3 E) all of the above

The hybridization of the oxygen atom labeled y in the structure below is ______. The C—O—H bond angle is _____

The electron domain geometry of a carbon centered compound is tetrahedral. The hybridization of the central carbon atom is _____

A typical triple bond consists of

the pi bond in ethylene, H2C==CH2 results from the overlap of _____

The hybridization of nitrogen in the H—C(triple line)N: molecule is

The hybridization of the terminal carbons in the H2C==C==CH2 molecule is ____

The N—N bond in HNNH consists of

The molecular geometry of the left-most carbon atom in the molecule below is ___