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STD 12 - 5. Co-ordination chemistry — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - 5. Co-ordination chemistry4 Marks
MCQ
The correct order of ligands arranged in increasing field strength.
  • A
    $\mathrm{Cl}^{-}<-\mathrm{OH}<\mathrm{Br}^{-}<\mathrm{CN}^{-}$
  • B
    $\mathrm{F}^{-}<\mathrm{Br}^{-}<\mathrm{I}^{-}<\mathrm{NH}_3$
  • ✓
    $\mathrm{Br}^{-}<\mathrm{F}^{-}<\mathrm{H}_2 \mathrm{O}<\mathrm{NH}_3$
  • D
    $\mathrm{H}_2 \mathrm{O}<{ }^{-} \mathrm{OH}<\mathrm{CN}^{-}<\mathrm{NH}_3$
✓

Answer

Correct option: C.
$\mathrm{Br}^{-}<\mathrm{F}^{-}<\mathrm{H}_2 \mathrm{O}<\mathrm{NH}_3$
c
Experimental order $\mathrm{Br}^{-}<\mathrm{F}^{-}<\mathrm{H}_2 \mathrm{O}<\mathrm{NH}_3$

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