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What is Effective Atomic Number of Fe (Z = 26) in [Fe(Cn)6]4-?

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प्रश्न

What is effective atomic number of Fe (z = 26) in [Fe(CN)6]4-?

(a) 12

(b) 30

(c) 26

(d) 36

 

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उत्तर

36

In ferrocyanide ion, [Fe(CN)6]4–

Here, Z = atomic number of iron = 26.
X = number of electrons lost due to oxidation of Fe to Fe2+ = 2.
Y = number of electrons donated by 6CN = 6 x 2 = 12.
∴ EAN = 26 – 2 + 12 = 36

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2015-2016 (July)

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