Chemistry · 2026
JEE Main · 5 April 2026, Shift 1 · Q53
Identify the correct statements from the following: A. Heisenberg uncertainty principle is applicable to electrons. B. The size of 2 p_x orbital is…
Identify the correct statements from the following :
A. Heisenberg uncertainty principle is applicable to electrons.
B. The size of $\displaystyle 2 p_x$ orbital is less than the size of $\displaystyle 3 p_x$ orbital.
C. The energy of 2s orbital of H atom is equal to the energy of 2s orbital of Li.
D. The electronic configuration of Cr is $\displaystyle [\mathrm{Ar}] 3 \mathrm{~d}^5 4 \mathrm{~s}^1$
Choose the correct answer from the options given below:
Official answer
From NTA’s final answer key for this paper.
(2)
A, B and D Only
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.