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Question 740004
JEE Chemistry · Easy

Coordination Compounds: Oxidation state MCQ

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Oxidation stateEasyQuestion 740004

Question

The oxidation state of Fe in K₄[Fe(CN)₆] is:
  1. A
    +2
    Correct
  2. B
    +3
  3. C
    +4
  4. D
    0

Correct answer

+2

Explanation

K₄[Fe(CN)₆]: 4(+1) + x + 6(−1) = 0 → 4 + x − 6 = 0 → x = +2. Iron is in +2 oxidation state (ferrocyanide).

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