The correct statement about the magnetic properties of $\left[\mathrm{Fe}(\mathrm{CN})_{6}ight]^{3-}$ and…

The correct statement about the magnetic properties of $\left[\mathrm{Fe}(\mathrm{CN})_{6}ight]^{3-}$ and $\left[\mathrm{FeF}_{6}ight]^{3-}$ is
$(Z=26):$
  1. both are paramagnetic.
  2. both are diamagnetic.
  3. $\left[\mathrm{Fe}(\mathrm{CN})_{6}ight]^{3-}$ is diamagnetic, $\left[\mathrm{FeF}_{6}ight]^{3-}$ is paramagnetic.
  4. $\left[\mathrm{Fe}(\mathrm{CN})_{6}ight]^{3-}$ is paramagnetic, $\left[\mathrm{FeF}_{6}ight]^{3-}$ is diamagnetic.

Solution

Both are paramagnetic, the only difference is that $\mathrm{CN}^{-}$ is a strong field ligand whereas $\mathrm{F}^{-}$ is a weak field ligand. *

Asked in: JEE-TOPICTESTS-CHEMISTRY

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