1. Which d orbital is commonly described as having a double-dumbbell shape with a ring around the center?
A.
dxy
B.
dx2-y2
C.
dz2
D.
dyz
Correct Answer:
dz2
2. In which plane are the lobes of the dxy orbital located?
A.
xy plane
B.
xz plane
C.
yz plane
D.
Only the z axis
Correct Answer:
xy plane
3. Which orbital has lobes between the x and z axes?
A.
dxy
B.
dxz
C.
dyz
D.
dx2-y2
Correct Answer:
dxz
4. Which orbital has lobes between the y and z axes?
A.
dxy
B.
dxz
C.
dyz
D.
dx2-y2
Correct Answer:
dyz
5. Which d orbital is oriented along the z axis and also contains a torus-shaped ring?
A.
dxy
B.
dxz
C.
dyz
D.
dz2
Correct Answer:
dz2
6. What is the shape of the dx2-y2 orbital?
A.
Spherical
B.
Four-lobed, with lobes along the x and y axes
C.
Two-lobed, with lobes along the z axis
D.
Ring-shaped only
Correct Answer:
Four-lobed, with lobes along the x and y axes
7. Which d orbital has a four-lobed shape in the xy plane, with lobes between the coordinate axes?
A.
dxy
B.
dx2-y2
C.
dz2
D.
dyz
Correct Answer:
dxy
8. Which statement about the dz2 orbital is correct?
A.
It has four lobes between the x and y axes
B.
It has four lobes along the x and y axes
C.
It has two lobes along the z axis and a ring around the center
D.
It is completely spherical
Correct Answer:
It has two lobes along the z axis and a ring around the center
9. Which group contains only four-lobed d orbitals?
A.
dxy, dxz, dyz, and dx2-y2
B.
dz2, dxy, and dxz
C.
dz2, dyz, and dx2-y2
D.
Only dz2
Correct Answer:
dxy, dxz, dyz, and dx2-y2
10. Which d orbital is oriented in the xz plane?
A.
dxy
B.
dxz
C.
dyz
D.
dx2-y2
Correct Answer:
dxz
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