Question

The pair of orbitals having same (n + $l$) value is:

• A. 4s, 3p
• B. 3d, 4p
• C. 6p, 5d
• D. All the above

Answer 1

The correct option is D All the above

$n\to l$ for $4s=4,3p=4,3d=5,4p=5,6p=7,5d=7$

Thus all options are correct.