Chemistry · 2020
JEE Main · 3 September 2020, Shift 2 · Q37
The d-electron configuration of [ Ru ( en )_3] Cl_2 and [ Fe ( H_2 O )_6] Cl_2, respectively are:
The d-electron configuration of $\displaystyle \left[\mathrm{Ru}(\mathrm{en})_3\right] \mathrm{Cl}_2$ and $\displaystyle \left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_2$, respectively are :
Official answer
(4)
$\displaystyle t_{2 g}^6 e_g^0 \text { and } t_{2 g}^4 e_g^2$
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.