Chemistry · 2025
JEE Main · 28 January 2025, Shift 2 · Q51
Which of the following is/are not correct with respect to energy of atomic orbitals of hydrogen atom? (A) 1 s <2 p <3 d <4 s (B) 1 s <2 s =2 p <3 s…
Which of the following is/are not correct with respect to energy of atomic orbitals of hydrogen atom ?
(A)
$\displaystyle 1 \mathrm{~s}<2 \mathrm{p}<3 \mathrm{~d}<4 \mathrm{~s}$
(B)
$\displaystyle 1 \mathrm{~s}<2 \mathrm{~s}=2 \mathrm{p}<3 \mathrm{~s}=3 \mathrm{p}$
(C)
$\displaystyle 1 \mathrm{~s}<2 \mathrm{~s}<2 \mathrm{p}<3 \mathrm{~s}<3 \mathrm{p}$
(D)
$\displaystyle 1 \mathrm{~s}<2 \mathrm{~s}<4 \mathrm{~s}<3 \mathrm{~d}$
Choose the correct answer from the options given below :
Official answer
From NTA’s final answer key for this paper.
(4)
(C) and (D) only
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JEE Main 2025 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.