OldExams1

OldExams1 - 1. Which of the following is not a resonance...

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1. Which of the following is not a resonance structure of the others? 2. What type of type of orbital is occupied by the non-bonding electron pairs in the molecule shown below? a) sp 2 b) sp 3 sp d) s e) p 3. What is the total number of σ bonds in the following compound? a) 8 b) 10 c) 11 d) 15 e) No correct answer given. 4. Orbitals that are equal in energy are referred to as__________________________. a) filled b) degenerate c) polar d) nonpolar e) nodal 5. Which of the following is true ? a) An s-orbital becomes more dense as the distance from the nucleus increases. b) A p-orbital has a spherical boundary surface. c) An electron in an s-orbital has a nonzero probability of being found at the nucleus. d) An s-orbital has two lobes on opposite sides of the nucleus. e) An electron in a p-orbital has a nonzero probability of being found at the nucleus.
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6. Which of the following is the most polar molecule? 7. For the Lewis structure below, the formal charges on N, C, and O, respectively are: a) +1, -1, -1 b) -1, +1, -1 c) -2, 0, +1 d) -1, 0, 0 e) +1, 0, -2 8. Which of the following statements about resonance structures is false ? a) Individual resonance forms are imaginary, not real. b) Resonance forms differ only in the placement of their π or nonbonding electrons. c)
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OldExams1 - 1. Which of the following is not a resonance...

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