Chemistry · 2023
JEE Main · 10 April 2023, Shift 2 · Q69
The correct order of the number of unpaired electrons in the given complexes is A. [ Fe ( CN )_6]^3- B. [ Fe F_6]^3- C. [ Co F_6]^3- D. [ Cr (…
The correct order of the number of unpaired electrons in the given complexes is
A. $\displaystyle \left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$
B. $\displaystyle \left[\mathrm{Fe} \mathrm{F}_6\right]^{3-}$
C. $\displaystyle \left[\mathrm{Co} \mathrm{F}_6\right]^{3-}$
D. $\displaystyle \left[\mathrm{Cr}(\text { oxalate })_3\right]^{3-}$
E. $\displaystyle \left[\mathrm{Ni}(\mathrm{CO})_4\right]$
Choose the correct answer from the options given below:
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle \mathrm{E}<\mathrm{A}<\mathrm{D}<\mathrm{C}<\mathrm{B}$
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JEE Main 2023 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.