1. Molecular Geometry and Bonding Theories
Chemistry, The Central Science, 11th edition Theodore L. Brown, H. Eugene LeMay, Jr., Bruce E. Bursten, and Catherine J. Murphy
Chapter 9
Molecular Geometry and Bonding Theories
Dana & Michelle Chatellier
University of Delaware
© Copyright 2009, Pearson Education

2. The methane (CH4) molecule has what geometry?
linear
trigonal bipyramidal
trigonal planar
tetrahedral

3. The methane (CH4) molecule has what geometry?
linear
trigonal bipyramidal
trigonal planar
tetrahedral

4. The overall shape of a molecule is determined by its:
atoms.
bond angles.
symmetry.
electron affinity.

5. The overall shape of a molecule is determined by its:
atoms.
bond angles.
symmetry.
electron affinity.

6. The phosphorus trichloride (PCl3) molecule has what geometry?
tetrahedral
trigonal planar
pyramidal
trigonal bipyramidal

7. The phosphorus trichloride (PCl3) molecule has what geometry?
tetrahedral
trigonal planar
pyramidal
trigonal bipyramidal

8. The hybridization of the oxygen atom in a water molecule is:sp
sp2
sp3
sp3d

9. The hybridization of the oxygen atom in a water molecule is:sp
sp2
sp3
sp3d

10. The bromine trifluoride (BrF3) molecule has what geometry?
see-saw shaped
trigonal planar
pyramidal
T-shaped

11. The bromine trifluoride (BrF3) molecule has what geometry?
see-saw shaped
trigonal planar
pyramidal
T-shaped

12. The xenon tetrafluoride (XeF4) molecule has what geometry?
square planar
tetrahedral
see-saw shaped
trigonal bipyramidal

13. The xenon tetrafluoride (XeF4) molecule has what geometry?
square planar
tetrahedral
see-saw shaped
trigonal bipyramidal

14. The most stable geometry for six electron domains is:
square planar.
octahedral.
square pyramidal.
tetrahedral.

15. The most stable geometry for six electron domains is:
square planar.
octahedral.
square pyramidal.
tetrahedral.

16. In the formic acid (HCO2H) molecule, the values of the bond angles, in degrees, are:
O–C–O = 180, C–O–H = 120
O–C–O = 120, C–O–H = 109
O–C–O = 180, C–O–H = 180
O–C–O = 109, C–O–H = 109

17. In the formic acid (HCO2H) molecule, the values of the bond angles, in degrees, are:
O–C–O = 180, C–O–H = 120
O–C–O = 120, C–O–H = 109
O–C–O = 180, C–O–H = 180
O–C–O = 109, C–O–H = 109

18. In which molecule below is the central atom sp3d-hybridized?
SO3
SeBr4
XeOF4

19. In which molecule below is the central atom sp3d-hybridized?
SO3
SeBr4
XeOF4

20. How many pi bonds are there in the molecule below? CH3–CH=CH–CH=O1 2 3 4

21. How many pi bonds are there in the molecule below? CH3–CH=CH–CH=O1 2 3 4