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

Gujarat BoardEnglish MediumSTD 12 ScienceChemistry5. Co-ordination chemistry1 Mark
MCQ
Which of the following statements is incorrect ?
  • A
    In ${K_3}[Fe{(CN)_6}],$ the ligand has satisfied only the secondary valency of ferric ion.
  • B
    In ${K_3}[Fe{(CN)_6}],$ the ligand has satisfied both primary and secondary valencies of ferric ion.
  • C
    In $[Cu{(N{H_3})_4}]S{O_4},$ the ligand has satisfied only the secondary valency of copper.
  • ✓
    Both $(a)$  and $ (c)$ 
✓

Answer

Correct option: D.
Both $(a)$  and $ (c)$ 
d
(d) In ${K_3}[Fe{(CN)_6}]$ the ligand are negative which is present in coordination spheres shows a dual behaviour. It may satisfied both primary & secondary valencies while neutral ligand satisfied only secondary valencies.

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