Which of the following is/are not correct with respect to energy of atomic orbitals of hydrogen atom? (A)$1…

Which of the following is/are not correct with respect to energy of atomic orbitals of hydrogen atom?
(A)$1 \mathrm{~s} \lt 2 \mathrm{p} \lt 3 \mathrm{~d} \lt 4 \mathrm{~s}$
(B) $1 \mathrm{~s} \lt 2 \mathrm{~s}=2 \mathrm{p} \lt 3 \mathrm{~s}=3 \mathrm{p}$
(C) $1 \mathrm{~s} \lt 2 \mathrm{~s} \lt 2 \mathrm{p} \lt 3 \mathrm{~s} \lt 3 \mathrm{p}$
(D) $1 \mathrm{~s} \lt 2 \mathrm{~s} \lt 4 \mathrm{~s} \lt 3 \mathrm{~d}$
Choose the correct answer from the options given below :
  1. (A) and (C) only
  2. (B) and (D) only
  3. (C) and (D) only
  4. (A) and (B) only

Solution

For single electron species energy only depends on ' n ' (principal quantum number)
So energy of $2 \mathrm{~s}=2 \mathrm{p}$
and energy of $3 \mathrm{~d} < 4 \mathrm{~s}$

Asked in: JEE Main 2025 (28 Jan Shift 2)

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