Which of the following sub-shell does not exist for an atom, according to quantum theory ?

Options

A. 2d
B. 4f
C. 5h
D. 7h

Answer

AC

Explanation

`sp^(3)d to s p_(x)p_(y) p_(z) p_(z)^(2)`
`sp^(3) d^(2) to s p_(x) p_(y)p_(z)p_(z^(2))p_(x^(2)-y^(2))`
`sp^(3)d^(3) to s p_(x)p_(y)p_(z)p_(z^(2))p_(x^(2)-y^(2)) d_(xy)`