Chemistry: A Molecular Approach, 2e (Tro)
Chapter 10 Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and Molecular Orbital
... [Show More] Theory
Multiple Choice Questions
1) Give the approximate bond angle for a molecule with a trigonal planar shape.
109. A) 109.5°
110. B) 180°
111. C) 120°
112. D) 105°
113.
Answer: Diff: 2
C E) 90°
Page Ref: 10.2
2) Give the approximate bond angle for a molecule with a tetrahedral shape. 109. A) 109.5°
110. B) 180°
111. C) 120°
112. D) 105°
113. E) 90°
Answer: A
Diff: 2 Page Ref: 10.2
3) Give the approximate bond angle for a molecule with a linear shape.
109. A) 109.5°
110. B) 180°
111. C) 120°
112. D) 105°
113.
Answer: Diff: 2
B E) 90°
Page Ref: 10.2
4) Give the approximate bond angle for a molecule with an octahedral shape.
109. A) 109.5°
110. B) 180°
111. C) 120°
112. D) 105°
113.
Answer: Diff: 2
E E) 90°
Page Ref: 10.2
5) Determine the electron geometry (eg) and molecular geometry(mg) of BCl3.
1. A) eg=trigonal planar, mg=trigonal planar
2. B) eg=tetrahedral, mg=trigonal planar
3. C) eg=tetrahedral, mg=trigonal pyramidal
4. D) eg=trigonal planar, mg=bent
5. E) eg=trigonal bipyramidal, mg= trigonal bipyramidal
Answer: A
Diff: 2 Page Ref: 10.2
6) Determine the electron geometry (eg) and molecular geometry (mg) of CO32⁻.
1. A) eg=tetrahedral, mg=tetrahedral
2. B) eg=tetrahedral, mg=trigonal pyramidal
3. C) eg=trigonal planar, mg=bent
4. D) eg=trigonal planar, mg=trigonal planar
5. E) eg=tetrahedral, mg=trigonal planar Answer: D
Diff: 2 Page Ref: 10.2
7) Determine the electron geometry (eg) and molecular geometry (mg) of CH3+1.
1. A) eg=tetrahedral, mg=tetrahedral
2. B) eg=tetrahedral, mg=trigonal pyramidal
3. C) eg=trigonal planar, mg=bent
4. D) eg=trigonal planar, mg=trigonal planar
5. E) eg=tetrahedral, mg=trigonal planar Answer: D
Diff: 2 Page Ref: 10.2
8) Determine the electron geometry (eg) and molecular geometry (mg) of SiF4.
1. A) eg=tetrahedral, mg=trigonal pyramidal
2. B) eg=octahedral, mg=square planar
3. C) eg=trigonal bipyramidal, mg=trigonal pyramidal
4. D) eg=tetrahedral, mg=bent
5. E) eg=tetrahedral, mg=tetrahedral
Answer: E
Diff: 2 Page Ref: 10.2
9) Determine the electron geometry (eg) and molecular geometry (mg) of PF5.
1. A) eg=trigonal bipyramidal, mg=trigonal bipyramidal
2. B) eg=octahedral, mg=octahedral
3. C) eg=trigonal bipyramidal, mg=tetrahedral
4. D) eg=tetrahedral, mg=trigonal pyramidal
5. E) eg=trigonal planar, mg=octahedral Answer: A
Diff: 2 Page Ref: 10.2
10) Determine the electron geometry (eg) and molecular geometry (mg) of CO2.
1. A) eg=tetrahedral, mg=tetrahedral
2. B) eg=linear, mg=trigonal planar
3. C) eg=trigonal planar, mg=bent
4. D) eg=linear, mg=linear
5. E) eg=trigonal planar, mg=trigonal planar Answer: D
Diff: 2 Page Ref: 10.2
11) Determine the electron geometry (eg) and molecular geometry (mg) of NCl3.
1. A) eg=tetrahedral, mg=tetrahedral
2. B) eg=linear, mg=trigonal planar
3. C) eg=trigonal planar, mg=bent
4. D) eg=linear, mg=linear
5. E) eg=tetrahedral, mg=trigonal pyramidal
Answer: E
Diff: 2 Page Ref: 10.2
12) Determine the electron geometry (eg) and molecular geometry (mg) of BrF3.
1. A) eg=trigonal planar, mg=trigonal planar
2. B) eg=trigonal bipyramidal, mg= T-shape
3. C) eg=trigonal planar, mg=bent
4. D) eg=trigonal bipyramidal, mg=see-saw
5. E) eg=tetrahedral, mg=trigonal pyramidal Answer: B
Diff: 3 Page Ref: 10.4
13) Determine the electron geometry (eg) and molecular geometry (mg) of ICl2⁻.
1. A) eg=tetrahedral, mg=bent
2. B) eg=tetrahedral, mg=trigonal pyramidal
3. C) eg=trigonal bipyramidal, mg=linear
4. D) eg=trigonal bipyramidal, mg=trigonal planar
5. E) eg=octahedral, mg=linear Answer: C
Diff: 3 Page Ref: 10.4
14) Determine the electron geometry (eg) and molecular geometry (mg) of XeF2.
1. A) eg=trigonal bipyramidal, mg=bent
2. B) eg=linear, mg=linear
3. C) eg=tetrahedral, mg=linear
4. D) eg=trigonal bipyramidal, mg=linear
5. E) eg=tetrahedral, mg=bent
Answer: D
Diff: 3 Page Ref: 10.4
15) Determine the electron geometry (eg) and molecular geometry (mg) of XeF4.
1. A) eg=tetrahedral, mg=tetrahedral
2. B) eg=linear, eg=linear
3. C) eg=tetrahedral, mg=bent
4. D) eg=trigonal bipyramidal, mg=tetrahedral
5. E) eg=octahedral, mg=square planar Answer: E
Diff: 3 Page Ref: 10.4
16) Determine the electron geometry (eg) and molecular geometry (mg) of the underlined atom CH3OCH3.
1. A) eg=tetrahedral, mg=tetrahedral
2. B) eg=linear, eg=linear
3. C) eg=tetrahedral, mg=bent
4. D) eg=trigonal bipyramidal, mg=tetrahedral
5. E) eg=octahedral, mg=square planar Answer: A
Diff: 3 Page Ref: 10.4
17) Determine the electron geometry (eg) and molecular geometry (mg) of the underlined atom CH3OCH3.
1. A) eg=tetrahedral, mg=tetrahedral
2. B) eg=linear, eg=linear
3. C) eg=tetrahedral, mg=bent
4. D) eg=trigonal bipyramidal, mg=tetrahedral
5. E) eg=octahedral, mg=square planar Answer: C [Show Less]