Correct Order electrons complexes | Coordination Compounds

JEE MAIN 2023

10-04-2023 S2

Question

The correct order of the number of unpaired electrons in the given complexes is
A. $\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$
B. $\left[\mathrm{FeF}_6\right]^{3-}$ D. $[\mathrm{Cr}(\text { oxalate })]^{3-}$
E. $\left[\mathrm{Ni}(\mathrm{CO})_4\right]$
Choose the correct answer from the options given below:

Select the correct option:

A < E < D < C < B

E < A < D < C < B

E < A < B < D < C

A < E < C < B < D

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution