Chemistry · 2025
JEE Main · 23 January 2025, Shift 2 · Q63
Identify the coordination complexes in which the central metal ion has d^4 configuration. (A) [ FeO_4]^2- (B) [ Mn ( CN )_6]^3- (C) [ Fe ( CN )_6]^3-…
Identify the coordination complexes in which the central metal ion has $\displaystyle \mathrm{d}^4$ configuration.
(A)
$\displaystyle \left[\mathrm{FeO}_4\right]^{2-}$
(B)
$\displaystyle \left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-}$
(C)
$\displaystyle \left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$
(D)
(E)
$\displaystyle \left[\mathrm{NiF}_6\right]^{2-}$
Choose the correct answer from the options given below :
Official answer
From NTA’s final answer key for this paper.
(1)
(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.