Chemistry · 2025
JEE Main · 29 January 2025, Shift 2 · Q63
Identify the homoleptic complexes with odd number of d electrons in the central metal: (A) [ FeO_4]^2- (B) [ Fe ( CN )_6]^3- (C) [ Fe ( CN )_5 NO…
Identify the homoleptic complexes with odd number of d electrons in the central metal :
(A)
$\displaystyle \left[\mathrm{FeO}_4\right]^{2-}$
(B)
$\displaystyle \left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$
(C)
$\displaystyle \left[\mathrm{Fe}(\mathrm{CN})_5 \mathrm{NO}\right]^{2-}$
(D)
$\displaystyle \left[\mathrm{CoCl}_4\right]^{2-}$
(E)
$\displaystyle \left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_3 \mathrm{~F}_3\right]$
Choose the correct answer from the options given below :
Official answer
From NTA’s final answer key for this paper.
(3)
(B) and (D) only
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JEE Main 2025 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.