Which of the following statements is incorrect? [KCET 2004]

1.	Which of the following statements is incorrect? [KCET 2004]
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 \[{{K}_{4}}[Fe{{(CN)}_{6}}],\] the ligand has satisfied both primary and secondary valencies of ferrous ion.
D.	In \[[Cu{{(N{{H}_{3}})}_{4}}]S{{O}_{4}},\] the ligand has satisfied only the secondary valency of copper.
Answer» B. In \[{{K}_{3}}[Fe{{(CN)}_{6}}],\] the ligand has satisfied both primary and secondary valencies of ferric ion.

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