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EAN of iron in a hexacyanoferrate ion

The same question, asked 2 times: 23 Apr 2025 S1*, 18 Apr 2026 S2. Every wording below, oldest first.

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  1. Question 1

    23 Apr 2025 S1

    66
    What is EAN of metal ion in hexacyanoferrate (II) ion?

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  2. Question 2

    18 Apr 2026 S2

    35
    What is EAN for metal ion in [Fe(CN)6]3−[\mathrm{Fe(CN)_6}]^{3-} ?

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