A Coordinate System Is Defined with Orthogonal X-, Y-, and Z-Axes

Multiple Choice

A coordinate system is defined with orthogonal x-, y-, and z-axes. Which d orbital has four lobes in the x-y plane but is not aligned along the x- or y-axis?

A) d_xy
B) d_yz
C) d_xz
D) $d _ { x ^ { 2 } - y ^ { 2 } }$
E) $d _ { z ^ { 2 } }$