Which of the following is the correct molecular orbital diagram showing the valence orbitals for the S2 anion?Choose one:0Эр。2s首2113s352201233s1 35

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Answered: Which of the following is the correct…

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter7: Covalent Bonding

Section: Chapter Questions

Problem 76QAP: In each of the following molecules, a central atom is surrounded by a total of three atoms or...

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Predict the valence electron molecular orbital configurations for the following, and state whether they will be stable or unstable ions. (a) Na,2+ (b) Mg,2 (c) AI,2 (d) Si,2 (e) p2+ (f) s,2 (g) F,2 (h) Ar,2 40. Predict the valence electron molecular orbital configurations for the following, and state whether they will be stable or unstable ions. (a) Na22+ (b) Mg22+ (c) Al22+ (d) Si22+ (e) P22+ (f) S22+ (g) F22+ (h) Ar22+
Explain why an electron in the bonding molecular orbital in the H2 molecule has a lower energy than an electron in the 1s atomic orbital of either of the separated hydrogen atoms.
Identify the orbitals on each of the atoms that form the bonds in H3CCN. How many bonds and bonds form?
Explain in terms of bonding theory why all four hydrogen atoms of allene, H2CCCH2, cannot lie in the same plane.
Describe the molecular orbital configurations of C2, C2, and C22. What are the bond orders of these species? Arrange the three species by increasing bond length. Arrange the species by increasing bond enthalpy. Explain these arrangements of bond length and bond enthalpy.
Consider the following molecules: SiH4, PH3, H2S. In each case, a central atom is surrounded by four electron pairs. In which of these molecules would you expect the bond angle to be less than 109.5? Explain your reasoning.
The bond length in C2 is 131 pm. Compare this with the bond lengths in C2H2 (120 pm), C2H4 (134 pm), and C2H6 (153 pm). What bond order would you predict for C2 from its bond length? Does this agree with the molecular orbital configuration you would predict for C2?
In the gas phase, positive and negative ions form ion pairs that are like molecules. An example is KF, which is found to have a dipole moment of 28.7 1030 C m and a distance of separation between the two ions of 217.2 pm. Use this information and the definition of dipole moment to calculate the partial charge on each atom. Compare your result with the expected charge, which is the charge on an electron, 1.602 1019 C. Based on your result, is KF really completely ionic?
2. Which of the following species has the largest C—N bond order? CN− OCN− CH3NH2 N(CH3)3
The structure of amphetamine, a stimulant, is shown below. (Replacing one H atom on the NH2, or amino, group with CH3 gives methamphetamine a particularly dangerous drug commonly known as speed.) (a) What are the hybrid orbitals used by the C atoms of the C6 ring. by the C atoms of the side chain, and by the N atom? (b) Give approximate values for the bond angles A, B, and C. (c) How many bonds and bonds are in the molerule? (d) Is the molecule polar or nonpolar? (e) Amphetamine reacts readily with a proton (H+) in aqueous solution. Where does this proton attach to the molecule? Explain how the electrostatic potential map predicts this site of protonation.
Use the electron-pair repulsion model to predict the geometry of the following molecules: a GeCl2 b AsCl3 c SO3 d XeO4
Calcium carbide, CaC2, consists of Ca2+ and C22 (acetylide) ions. Write the molecular orbital configuration and bond order of the acetylide ion. C22.

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Which of the following is the correct molecular orbital diagram showing the valence orbitals for the S2 anion? Choose one: 0 Эр 。 2s 首 211 3s 35 220 123 3s 1 35