1. Which d orbital has its four lobes directed along the x- and y-axes?
A.
dxy
B.
dxz
C.
dx2-y2
D.
dyz
Correct Answer:
dx2-y2
2. Which d orbital is oriented between the x- and y-axes in the xy-plane?
A.
dx2-y2
B.
dxy
C.
dxz
D.
dz2
Correct Answer:
dxy
3. Which d orbital has lobes directed along the z-axis?
A.
dxy
B.
dxz
C.
dyz
D.
dz2
Correct Answer:
dz2
4. The dxz orbital lies mainly in which plane?
A.
xy-plane
B.
yz-plane
C.
xz-plane
D.
No coordinate plane
Correct Answer:
xz-plane
5. The dyz orbital lies mainly in which plane?
A.
xy-plane
B.
yz-plane
C.
xz-plane
D.
A plane perpendicular to all axes
Correct Answer:
yz-plane
6. How many d orbitals are present in a subshell?
A.
Two
B.
Three
C.
Five
D.
Seven
Correct Answer:
Five
7. Which d orbital has a doughnut-shaped ring around the z-axis in addition to two lobes?
A.
dxy
B.
dz2
C.
dxz
D.
dx2-y2
Correct Answer:
dz2
8. Which pair of d orbitals is oriented between the coordinate axes?
A.
dxy, dxz, and dyz
B.
dx2-y2 and dz2
C.
dx2-y2 and dxy
D.
dz2 and dyz
Correct Answer:
dxy, dxz, and dyz
9. Which d orbital is oriented along the x- and y-axes but not between them?
A.
dxy
B.
dxz
C.
dx2-y2
D.
dyz
Correct Answer:
dx2-y2
10. Which d orbital has lobes between the x- and z-axes?
A.
dxy
B.
dxz
C.
dyz
D.
dz2
Correct Answer:
dxz
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