Questions

IUPAC name of
is

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di (ethane – 1, 2 diammine) cobalt (III) – µ – amido – µ hydroxo di (ethane – 1, 2 diammine) cobalt (III) Sulphate

bis (ethane – 1, 2 diammine) cobalt (III) – µ – imido – µ – hydroxo bis (ethane – 1, 2 diammine) cobalt (III) Sulphate

bis (ethane – 1, 2 diammine) cobalt (III) – µ – amido – µ – hydroxo – bis (ethane – 1, 2 diammine) cobalt (III) Sulphate

bis (ethane – 1, 2 diammine) cobalt (III) – µ – imido – µ – hydrido – bis (ethane – 1, 2 diammine) cobalt (III) Sulphate

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detailed solution

Correct option is C

en . . . ethane 1, 2-diaminethe bridge ligands involved are NH2- . . . amidoOH- - hydroxo (or) hydroxido oxidation state of cobalt is “+3”.Total negative charge = -6 (NH2-, OH-and two SO4-2)Thus each cobalt will have “+3” charge. Name ‘en’ first then name the metal ion with its oxidation state in parenthesise followed by bridge ligands, followed by ‘en’ and finally metal ion once again. The name of counter ion SO4-2 should not have any prefix. IUPAC name of the complex.bis(ethane-1, 2 diamine) cobalt (III) µ-amido-µ-hydroxo bis(ethane-1, 2-diamine) cobalt-(III) sulphate