The correct sequence of ligands in the order of decreasing field strength is :

The correct sequence of ligands in the order of decreasing field strength is :
  1. \(\mathrm{NCS}^{-}>\mathrm{EDTA}^{4-}>\mathrm{CN}^{-}>\mathrm{CO}\)
  2. \(\mathrm{CO}>\mathrm{H}_2 \mathrm{O}>\mathrm{F}^{-}>\mathrm{S}^{2-}\)
  3. \(\mathrm{S}^{2-}>-\mathrm{OH}>\mathrm{EDTA}^{4-}>\mathrm{CO}\)
  4. \({ }^{-} \mathrm{OH}>\mathrm{F}^{-}>\mathrm{NH}_3>\mathrm{CN}^{-}\)

Solution

According to spectrochemical series ligand field strength is $\mathrm{CO}>\mathrm{H}_2 \mathrm{O}>\mathrm{F}^{-}>\mathrm{S}^{2-}$

Asked in: JEE Main 2024 (04 Apr Shift 1)

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