Chemistry · 2021
JEE Main · 24 February 2021, Shift 2 · Q40
The calculated magnetic moments (spin only value) for species [ FeCl_4]^2-,[ Co ( C_2 O_4)_3]^3- and MnO_4^2- respectively are:
The calculated magnetic moments (spin only value) for species $\displaystyle \left[\mathrm{FeCl}_4\right]^{2-},\left[\mathrm{Co}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-}$ and $\displaystyle \mathrm{MnO}_4^{2-}$ respectively are :
Official answer
(1)
4.$\displaystyle 90$, $\displaystyle 0$ and $\displaystyle 1.73$ BM
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JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.