MHT CET202314 May 2023Morning ShiftChemistryCoordination CompoundsActual
Which from following formulae is of sodium hexanitrocobaltate(III)?
Options
- ANa ₃ [ Co ( NO ₂ )₆ ]
- BNa ₂ [ Co ( NO ₂ )₆ ]
- C[ Co ( NaNO ₂ )₆ ]
- DNa ₃ [ Co ( ONO )₆ ]
Correct answer
B. Na ₂ [ Co ( NO ₂ )₆ ]
Step-by-step solution
The oxidation state of metal ion is +3 . Hence, Sodium hexanitrocobaltate ( III ): Na ₃ [ Co ( NO ₂ )₆ ]