Reason: Energy of an electron in single electron system depends only on principle quantum number.
Assertion: For He⁺ ion, the energy of electron in 3p–orbitals greater than that in 3s−orbital.
A. Both Assertion and Reason are correct but Reason is not the correct explanation for AssertionB
B. Assertion is correct but Reason is incorrectC
C. Both Assertion and Reason are incorrectD
D. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion