Calculate effective atomic number of [Co (NH3)6]3+ ion.
Q.2 (iv) Calculate effective atomic number of [Co (NH3)6]3+ ion.
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Answer: EAN = 36
EAN = Z − (oxidation state) + 2 × (number of ligands) = 27 − 3 + 2 × 6 = 36 (equal to krypton).
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· 29 Oct 2026
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