Chemistry · 2026
JEE Main · 22 January 2026, Shift 1 · Q52
The energy required by electrons, present in the first Bohr orbit of hydrogen atom to be excited to second Bohr orbit is ____ J mol^-1. Given:…
The energy required by electrons, present in the first Bohr orbit of hydrogen atom to be excited to second Bohr orbit is $\displaystyle \_\_\_\_$ $\displaystyle \mathrm{J} \mathrm{mol}^{-1}$.Given: $\displaystyle R_H=2.18 \times 10^{-11}$ ergs.
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle 9.835 \times 10^5$
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.