Consider the following sketches (1-8) representing molecular orbitals (MOs) obtained by combining the sand patomic orbitals on two atoms. As usual, the white and grey lobes correspond to the opposite signs of the wavefunctions. 88 88 Which of the above sketches correspond to bonding MOS? e (5) 4,5,6 3,7 1,2,7,8 1,7,8 3,4,5,6 (2) (8) -

Consider the following sketches (1-8) representing molecular orbitals (MOs) obtained by combining the sand patomic orbitals on two atoms. As usual, the white and grey lobes correspond to the opposite signs of the wavefunctions. 88 88 Which of the above sketches correspond to bonding MOS? e (5) 4,5,6 3,7 1,2,7,8 1,7,8 3,4,5,6 (2) (8) -

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter6: Quantum Mechanics And Molecular Structure

Section: Chapter Questions

Problem 67AP: The B2 molecule is paramagnetic; show how this indicates that the energy ordering of the orbitals in...

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The B2 molecule is paramagnetic; show how this indicates that the energy ordering of the orbitals in this molecule is given by Figure 6.18a rather than 6.18b.
Consider the following sketches (1-8) representing molecular orbitals (MOS) obtained by combining the sand patomic orbitals on two atoms. As usual, the white and grey lobes correspond to the opposite signs of the wavefunctions. (1) 88 Which of the above sketches correspond to o (sigma) character MOS? Count both o and o* as sigma character. 1,2 1, 2, 4, 5, 6, 8 3,7 4,5,6 (8) 1, 2,8
Consider the following sketches (1-8) representing molecular orbitals (MOs) obtained by combining the sand p atomic orbitals on two atoms. As usual, the white and grey lobes correspond to the opposite signs of the wavefunctions. (2) 88 88 Which of the above sketches correspond to antibonding MOS? (1) D D 3,4,5,6 1,2,7,8 1,7,8 4,5,6 3,7
Consider the following sketches (1-8) representing molecular orbitals (MOs) obtained by combining the sand p atomic orbitals on two atoms. As usual, the white and grey lobes correspond to the opposite signs of the wavefunctions. (2) (1) ∞ (5) 1, 2, 7, 8 88 Which of the above sketches correspond to π (pi) character MOS? Count both T and * as pi-character 3, 4, 7, 8 3,7 1, 7, 8 (3) 88 4, 5, 6 (8)
Consider the following sketches (1-8) representing molecular orbitals (MOS) obtained by combining the sand patomic orbitals on two atoms. As usual, the white and grey lobes correspond to the opposite signs of the wavefunctions. (1) 1, 5 3,7 88 Which of the above sketches correspond to bonding sigma MOS? 1,2 1, 2,8 (2) 4,5,6 (3) (8)
A O The quantum numbers for last electron -3 * ?of vanadium is it c- n=4 , I=3 , ml=+2 , ms= -1/2 b- n=4 , 1=2 , ml=+2 , ms=+1/2 O a- n=3 , l=2, ml=0 , ms=+1/2 * ?Bond order of Cl2 is -4 c. 1 a. 2 O b. 3 O * ?Bond order of B2 is -5 а. 1 с. 3 b. 2 صفحة 3 من 4 II
Consider the following sketches (1-8) representing molecular orbitals (MOs) obtained by combining the sand p atomic orbitals on two atoms. As usual, the white and grey lobes correspond to the opposite signs of the wavefunctions. (4) (1) (5) 1, 2, 7, 8 3, 4, 5, 6 88 Which of the above sketches correspond to antibonding sigma MOS? 3,7 4, 5, 6 (2) 1, 7, 8 (3) 88 (8)
Consider the following sketches (1-8) representing molecular orbitals (MOs) obtained by combining the sand patomic orbitals on two atoms. As usual, the white and grey lobes correspond to the opposite signs of the wavefunctions. (3) 88 88 Which of the above sketches correspond to antibonding MOs? (1) (5) 1,7,8 1,2,7,8 3,4,5,6 4,5,6 3,7 (2) (4)
N2 and CN' are both isoelectronic. (i) Draw the molecular orbital diagram for N2 and CN molecules. (ii) Explain why CN is a toxic substance but N2 isn't. (iii) N2(g) is an inert gas that is suitable for a wide range of application. Would you expect N2" to be a stable diatomic species in the gaseous state? Explain your answer.
Consider the following sketches (1-8) representing molecular orbitals (MOS) obtained by combining the sand patomic orbitals on two atoms. As usual, the white and grey lobes correspond to the opposite signs of the wavefunctions. (1) ∞ (5) 3,4,6 3,7 2,7,8 (2) 03 (6) (3) 88 88 Which of the abové sketches correspond to antibonding.pi Mos? 07 (8) 1
Three biologically Important diatomic species,either because they promote or inhibit life, are (a) CO, (b) NO, and (c) CN−. The first binds to hemoglobin, the second is a chemical messenger, and the third interrupts the respiratory electron transfer chain. Their biochemical action is a reflection of their orbital structure. Deduce their ground-state electron configurations using sigma and pi. (Draw MO)
Which of the following MO's correctly depicts the lowest unoccupied (LUMO) MO for the shown cation? (A) (B) (C) (D) 88 !! +