Though the five $$d$$ - orbitals are degenerate, the first four $$d$$ - orbitals are similar to each other in shape whereas the fifth $$d$$ - orbital is different from others. What is the name of the fifth orbital ?
A.
$${d_{{x^2} - {y^2}}}$$
B.
$${d_{{z^2}}}$$
C.
$${d_{xz}}$$
D.
$${d_{xy}}$$
Answer :
$${d_{{z^2}}}$$
Solution :
The fifth $$d$$ - orbital $$\left( {{d_{{z^2}}}} \right)$$ has a doughnut shaped electron cloud in the centre whereas others have clover leaf shape.
Releted MCQ Question on Physical Chemistry >> Atomic Structure
Releted Question 1
The number of neutrons in dipositive zinc ion with mass number 70 is