Chemistry · 2025
JEE Main · 7 April 2025, Shift 2 · Q62
The number of unpaired electrons responsible for the paramagnetic nature of the following complex species are respectively: [ Fe ( CN )_6]^3-,[…
The number of unpaired electrons responsible for the paramagnetic nature of the following complex species are respectively :
$$\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-},\left[\mathrm{FeF}_6\right]^{3-},\left[\mathrm{CoF}_6\right]^{3-},\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-}
$$
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle 1, 5, 4, 2$
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JEE Main 2025 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.