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Which charge(s) on an O2 ion would give a bond order of 2.5? (consider MO theory)...
According to MO theory, which molecule or ion has the highest bond order? Highest bond energy? Shortest bond length? (a)O_2, O_2, O_^2- (b) CO and CO^+. (Use the energy ordering of O_2)
Consider the carbon molecule and the C2+ molecular ion: (a) Give the bond order of each species. If a fraction is needed, use a decimal number. Bond order C2 = Bond order C2+ = (b) Predict which species should be paramagnetic. Is C2 paramagnetic? Is C2+ paramagnetic? (c) Predict which species has the greater bond dissociation energy. The species with the largest bond dissociation energy is: a. C2 b. C2+
Consider the fluorine molecule and the Fa molecular ion: (a) Give the bond order of each species. If a fraction is needed, use a decimal number. Bond order F2 = Bond order F2 = (6) Predict which species should be paramagnetic. Is F2 paramagnetic? Yes Is F2 paramagnetic? No (c) Predict which species has the greater bond dissociation energy. The species with the largest bond dissociation energy is: a a. F2 b. F2
Which charge(s) for the N2 molecule would give a bond order of 1.5? (Select all that apply.) −4 −3 −2 −1 +1 +2 +3 +4
Q4 1 Point What is the bond order of the 02 ion? O 0.5 01 O 1.5 O2 O 2.5 Q5 1 Point Does the bond order from the Lewis structure for the 02 ion match the molecular diagram from above? O Yes O No O Not enough information given
1.
What
atom has the +1 formal charge for the NO+ ion?
2.Now consider
the MO diagram below, which could be used to describe the bonding.
Explain whether NO+
or
NO-
would have
a
stronger bond.
Which one is
stronger? Why?
Stronger
bond = _________
3.
What bond order would you predict for neutral NO?
BO =
__________
2po* 2pr* 2pr* P. 2p. 2. 20. 2pT 2pT 2po 250 28 < 250
Consider the Molecular Orbital diagram for the ion O_2^+. Predict the bond order. 3.0 2.5 2.0 1.5 1.0 Consider the following statements. Which type of orbital will be the lowest unoccupied molecular orbital (LUMO)? Which type of orbital will be the highest occupied molecular orbital (HOMO)? Will the ion be paramagnetic or diamagnetic?
1. The valence molecular orbital sequence for O2, F2, Ne2 is: σ2s < σ*2s < σ2p <π2p = π2p <π*2p = π*2p <σ*2p What is the bond order for O2? [ Select ] ["0", "0.5", "1", "1.5", "2", "2.5", "3"] What is the bond order for O2-? [ Select ] ...
3. (cont).(c) (10 pts) Now consider the MO diagram below, which could be used to describe the bonding. Explain whether NO+ or NO- would have a stronger bond. 2po* 2p* 2prº P. 20.P. 2p. 2p 2pr 2pm 2pc 25 25 Which one is stronger? Why? 4. Stronger bond = (d) (10 pts) What bond order would you predict for neutral NO? BO = Consider the following terms used to describe molecular structure: linear, bent, trigonal planar, trigonal pyramidal, tetrahedral, and...
The H2 ion is more stable (higher bond order) than H2 since it has an additional electron to produce a net lowering of energy. (consider MO theory to answer this.) False O True Question 2 Which best explains the following trend? Element b.p. (K) He 4 Ne 25 Ar 95 Kr 125 Xe 170 O dipole-dipole interaction hydrogen bonding O London dispersion forces O ion-dipole forces