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Chemistry · 2021

JEE Main · 26 February 2021, Shift 1 · Q33

Match List-I with List-II. & \\ (a) 1 s^2 2 s^2 & (i) 801 \\ (b) 1 s^2 2 s^2 2 p^4 & (ii) 899 \\ (c) 1 s^2 2 s^2 2 p^3 & (iii) 1314 \\ (d) 1 s^2 2…

Match List-I with List-II.
List-I
Electronic configuration of elements
List-II
$\displaystyle \Delta_{\mathbf{i}} \mathbf{H ~ i n ~ k J ~ m o l}^{-\mathbf{1}}$
(a) $\displaystyle 1 \mathrm{~s}^2 2 \mathrm{~s}^2$(i) $\displaystyle 801$
(b) $\displaystyle 1 s^2 2 s^2 2 p^4$(ii) $\displaystyle 899$
(c) $\displaystyle 1 s^2 2 s^2 2 p^3$(iii) $\displaystyle 1314$
(d) $\displaystyle 1 s^2 2 s^2 2 p^1$(iv) $\displaystyle 1402$
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JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.