Question:medium

Which from following formulae is of sodium hexanitrocobaltate(III)?

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Chemistry Tip: Pay close attention to linkage isomers: "nitro" means the $-NO_2$ group bonds via Nitrogen, while "nitrito" means it bonds via Oxygen ($-ONO$).
Updated On: Apr 23, 2026
  • $Na_{3}[Co(NO_{2})_{6}]$
  • $Na_{2}[Co(NO_{2})_{6}]$
  • $[Co(NaNO_{2})_{6}]$
  • $Na_{3}[Co(ONO)_{6}]$
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The Correct Option is A

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