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Chemistry: A Molecular Approach, 1 st Edition Nivaldo J. Tro Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory Chapter.

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Presentation on theme: "Chemistry: A Molecular Approach, 1 st Edition Nivaldo J. Tro Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory Chapter."— Presentation transcript:

1 Chemistry: A Molecular Approach, 1 st Edition Nivaldo J. Tro Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory Chapter 10

2 Tro Chemistry: A Molecular Approach PCl 3 is an industrial chemical used in many herbicides and insecticides. What is the molecular shape of PCl 3 ? a)Bent b)Tetrahedral c)Trigonal pyramidal d)T-shaped e)Trigonal planar

3 Tro Chemistry: A Molecular Approach PCl 3 is an industrial chemical used in many herbicides and insecticides. What is the molecular shape of PCl 3 ? a)Bent b)Tetrahedral c)Trigonal pyramidal d)T-shaped e)Trigonal planar

4 Tro Chemistry: A Molecular Approach What is the approximate angle of the O ─ C ─ O bond in the citric acid molecule below? a) 120 º b) º c) < 120 º d) < º e) > 120 º

5 Tro Chemistry: A Molecular Approach What is the approximate angle of the O ─ C ─ O bond in the citric acid molecule below? a) 120 º b) º c) < 120 º d) < º e) > 120 º

6 Tro Chemistry: A Molecular Approach What is the hybridization of the central atom in XeF 2 ? a) sp b) sp 2 c) sp 3 d) sp 3 d e) sp 3 d 2

7 Tro Chemistry: A Molecular Approach What is the hybridization of the central atom in XeF 2 ? a) sp b) sp 2 c) sp 3 d) sp 3 d e) sp 3 d 2

8 Tro Chemistry: A Molecular Approach Which of the following molecules is the most polar molecule? a) b) c) d) e)

9 Tro Chemistry: A Molecular Approach Which of the following molecules is the most polar molecule? a) b) c) d) e)

10 Tro Chemistry: A Molecular Approach Which orbitals overlap to form the sigma bond between the sulfur and fluorine atoms in the molecule SF 4 ? a) sp 3 d hybrid of S and 2p of F b) sp 3 hybrid of S and 2p of F c) sp 2 hybrid of S and 3p of F d) sp 3 d 2 hybrid of S and 2p of F e) sp 3 d hybrid of S and 3p of F

11 Tro Chemistry: A Molecular Approach Which orbitals overlap to form the sigma bond between the sulfur and fluorine atoms in the molecule SF 4 ? a) sp 3 d hybrid of S and 2p of F b) sp 3 hybrid of S and 2p of F c) sp 2 hybrid of S and 3p of F d) sp 3 d 2 hybrid of S and 2p of F e) sp 3 d hybrid of S and 3p of F


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