COMEDK Exam 2016 Solved Paper

Question : 118 of 180

Marks: +1, -0

Which of the following statements is incorrect?

In K4[Fe(CN)6] the ligand has satisfied both primary and secondary valencies of ferrous ion.
In [Cu(NH3)4]SO4, the ligand has satisfied only the secondary valency of copper.
In K3[Fe(CN)6], the ligand has satisfied only the secondary valency of ferric ion.
In K3[Fe(CN)6], the ligand has satisfied both primary and secondary valencies of ferric ion.

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