Chem10

1) Give the approximate bond angle for a molecule with a trigonal planar shape.
A) 109.5°
B) 180°
C) 120°
D) 105°
E) 90°

C) 120°

2) Give the approximate bond angle for a molecule with a tetrahedral shape.

A) 109.5°
B) 180°
C) 120°
D) 105°
E) 90°

A) 109.5°

3) Give the approximate bond angle for a molecule with a linear shape.

A) 109.5°
B) 180°
C) 120°
D) 105°
E) 90°

B) 180°

4) Give the approximate bond angle for a molecule with an octahedral shape.

A) 109.5°
B) 180°
C) 120°
D) 105°
E) 90°

E) 90°

5) Determine the electron geometry (eg) and molecular geometry(mg) of BCl3.

A) eg=trigonal planar, mg=trigonal planar
B) eg=tetrahedral, mg=trigonal planar
C) eg=tetrahedral, mg=trigonal pyramidal
D) eg=trigonal planar, mg=bent
E) eg=trigonal bipyramidal, mg= trigonal bipyramidal

A) eg=trigonal planar, mg=trigonal planar

6) Determine the electron geometry (eg) and molecular geometry (mg) of CO32⁻.

A) eg=tetrahedral, mg=tetrahedral
B) eg=tetrahedral, mg=trigonal pyramidal
C) eg=trigonal planar, mg=bent
D) eg=trigonal planar, mg=trigonal planar
E) eg=tetrahedral, mg=trigonal planar

D) eg=trigonal planar, mg=trigonal planar

7) Determine the electron geometry (eg) and molecular geometry (mg) of CH3+1.

A) eg=tetrahedral, mg=tetrahedral
B) eg=tetrahedral, mg=trigonal pyramidal
C) eg=trigonal planar, mg=bent
D) eg=trigonal planar, mg=trigonal planar
E) eg=tetrahedral, mg=trigonal planar

D) eg=trigonal planar, mg=trigonal planar

8) Determine the electron geometry (eg) and molecular geometry (mg) of SiF4.

A) eg=tetrahedral, mg=trigonal pyramidal
B) eg=octahedral, mg=square planar
C) eg=trigonal bipyramidal, mg=trigonal pyramidal
D) eg=tetrahedral, mg=bent
E) eg=tetrahedral, mg=tetrahedral

E) eg=tetrahedral, mg=tetrahedral

9) Determine the electron geometry (eg) and molecular geometry (mg) of PF5.

A) eg=trigonal bipyramidal, mg=trigonal bipyramidal
B) eg=octahedral, mg=octahedral
C) eg=trigonal bipyramidal, mg=tetrahedral
D) eg=tetrahedral, mg=trigonal pyramidal
E) eg=trigonal planar, mg=octahedral

A) eg=trigonal bipyramidal, mg=trigonal bipyramidal

10) Determine the electron geometry (eg) and molecular geometry (mg) of CO2.

A) eg=tetrahedral, mg=tetrahedral
B) eg=linear, mg=trigonal planar
C) eg=trigonal planar, mg=bent
D) eg=linear, mg=linear
E) eg=trigonal planar, mg=trigonal planar

D) eg=linear, mg=linear

11) Determine the electron geometry (eg) and molecular geometry (mg) of NCl3.

A) eg=tetrahedral, mg=tetrahedral
B) eg=linear, mg=trigonal planar
C) eg=trigonal planar, mg=bent
D) eg=linear, mg=linear
E) eg=tetrahedral, mg=trigonal pyramidal

E) eg=tetrahedral, mg=trigonal pyramidal

12) Determine the electron geometry (eg) and molecular geometry (mg) of BrF3.

A) eg=trigonal planar, mg=trigonal planar
B) eg=trigonal bipyramidal, mg= T-shape
C) eg=trigonal planar, mg=bent
D) eg=trigonal bipyramidal, mg=see-saw
E) eg=tetrahedral, mg=trigonal pyramidal

B) eg=trigonal bipyramidal, mg= T-shape

13) Determine the electron geometry (eg) and molecular geometry (mg) of ICl2⁻.

A) eg=tetrahedral, mg=bent
B) eg=tetrahedral, mg=trigonal pyramidal
C) eg=trigonal bipyramidal, mg=linear
D) eg=trigonal bipyramidal, mg=trigonal planar
E) eg=octahedral, mg=linear

C) eg=trigonal bipyramidal, mg=linear

14) Determine the electron geometry (eg) and molecular geometry (mg) of XeF2.

A) eg=trigonal bipyramidal, mg=bent
B) eg=linear, mg=linear
C) eg=tetrahedral, mg=linear
D) eg=trigonal bipyramidal, mg=linear
E) eg=tetrahedral, mg=bent

D) eg=trigonal bipyramidal, mg=linear

15) Determine the electron geometry (eg) and molecular geometry (mg) of XeF4.

A) eg=tetrahedral, mg=tetrahedral
B) eg=linear, eg=linear
C) eg=tetrahedral, mg=bent
D) eg=trigonal bipyramidal, mg=tetrahedral
E) eg=octahedral, mg=square planar

E) eg=octahedral, mg=square planar

16) Determine the electron geometry (eg) and molecular geometry (mg) of the underlined atom CH3OCH3.

A) eg=tetrahedral, mg=tetrahedral
B) eg=linear, eg=linear
C) eg=tetrahedral, mg=bent
D) eg=trigonal bipyramidal, mg=tetrahedral
E) eg=octahedral, mg=square planar

A) eg=tetrahedral, mg=tetrahedral

17) Determine the electron geometry (eg) and molecular geometry (mg) of the underlined atom CH3OCH3.

A) eg=tetrahedral, mg=tetrahedral
B) eg=linear, eg=linear
C) eg=tetrahedral, mg=bent
D) eg=trigonal bipyramidal, mg=tetrahedral
E) eg=octahedral, mg=square planar

C) eg=tetrahedral, mg=bent

18) Consider the molecule below. Determine the molecular geometry at each of the 2 labeled carbons.

A) C1 = tetrahedral, C2 = linear
B) C1 = trigonal planar, C2= bent
C) C1 = bent, C2 = trigonal planar
D) C1 = trigonal planar, C2 = tetrahedral
E) C1 = trigonal pyramidal, C2 = see-saw

D) C1 = trigonal planar, C2 = tetrahedral

19) Consider the molecule below. Determine the molecular geometry at each of the 3 labeled atoms.

A) 1=trigonal planar, 2=tetrahedral, 3=trigonal pyramidal
B) 1=tetrahedral, 2=tetrahedral, 3=tetrahedral
C) 1=trigonal planar, 2=tetrahedral, 3=tetrahedral
D) 1=tetrahedral, 2=tetrahedral, 3=trigonal planar
E) 1=trigonal planar, 2=trigonal pyramidal, 3=trigonal pyramidal

A) 1=trigonal planar, 2=tetrahedral, 3=trigonal pyramidal

20) Place the following in order of increasing X-Se-X bond angle, where X represents the outer atoms in each molecule.
SeO2 SeCl6 SeF2

A) SeCl6 < SeF2 < SeO2
B) SeF2 < SeO2 < SeCl6
C) SeF2 < SeCl6 < SeO2
D) SeO2 < SeF2 < SeCl6
E) SeCl6 < SeO2 < SeF2

A) SeCl6 < SeF2 < SeO2