Chemistry · 2026
JEE Main · 5 April 2026, Shift 2 · Q61
Identify the correct statements from the following A. [ Fe ( C_2 O_4)_3]^3- is the most stable complex among [ Fe ( OH )_6]^3-,[ Fe ( C_2 O_4)_3]^3-…
Identify the correct statements from the following
A. $\displaystyle \left[\mathrm{Fe}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-}$ is the most stable complex among $\displaystyle \left[\mathrm{Fe}(\mathrm{OH})_6\right]^{3-},\left[\mathrm{Fe}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-}$ and $\displaystyle \left[\mathrm{Fe}(\mathrm{SCN})_6\right]^{3-}$
B. The stability of $\displaystyle \left[\mathrm{Cu}\left(\mathrm{NH}_3\right)_4\right]^{2+}$ is greater than that of $\displaystyle \left[\mathrm{Cu}(\mathrm{en})_2\right]^{2+}$
C. The hybridization of Fe in $\displaystyle \mathrm{K}_4\left[\mathrm{Fe}(\mathrm{CN})_6\right]$ is $\displaystyle \mathrm{d}^2 \mathrm{sp}^3$
D. $\displaystyle \left[\mathrm{Fe}\left(\mathrm{NO}_2\right)_3 \mathrm{Cl}_3\right]^{3-}$ exhibits linkage isomerism
E. $\displaystyle \mathrm{NO}_2^{-}$and $\displaystyle \mathrm{SCN}^{-}$ligands are NOT ambidentate ligands
Choose the correct answer from the options given below :
Official answer
From NTA’s final answer key for this paper.
(3)
A, C and D only
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.