KCET2007ChemistryCoordination Compounds
The oxidation state of iron in K ₄ [ Fe ( CN )₆ ] is
Options
- A1
- B4
- C3
- D2
Correct answer
D. 2
Step-by-step solution
Let the oxidation state of iron in K ₄ [ Fe ( CN ₆ ] . is x aligned 4(+1)+x+6(-1) &=0 4+x-6 &=0 x &=+2 Au +8 CN ⁻+2 H ₂ O + O ₂ & Soluble 2 [ Au ( CN )₂ + Zn .& Au (s) + [ Zn ( CN )₄ ]²⁻ aligned