1
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

The oxidation state of iron in K$$_4$$[Fe(CN)$$_6$$] is,

A
2
B
3
C
4
D
1
2
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Which complex cannot ionise in solution?

A
[Pt(NH$$_3$$)$$_6$$]Cl$$_4$$
B
K$$_2$$[Pt(F$$_6$$)]
C
K$$_4$$[Fe(CN)$$_6$$]
D
[CoCl$$_3$$(NH$$_3$$)$$_3$$]
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