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5. Co-ordination chemistry — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistry5. Co-ordination chemistry1 Mark
MCQ
Most stable complex ion is
  • A
    $[Fe(Cl_6)]^{-3}$
  • ✓
    $[Fe(CN)_6]^{-3}$
  • C
    $[Fe(CN)_6]^{-4}$
  • D
    $[Fe(H_2O)_6]^{+3}$
✓

Answer

Correct option: B.
$[Fe(CN)_6]^{-3}$
b
$[Fe(CN)_6]^{3-}$ is most stable

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