MHT CET202013 Oct 2020Morning ShiftChemistryCoordination CompoundsActual
Which among the following is a correct formula of Pentammine aqua cobalt (III) iodide?
Options
- A[ Co ( NH ₃ )₅ ( H ₂ O ) ] I ₃
- B[ Co ( H ₂ O ) ( NH ₃ )₅ I ]
- C[ Co ( NH ₃ )₅ I ] H ₂ O
- D[ Co ( H ₂ O ) ( NH ₃ )₅ ] I
Correct answer
A. [ Co ( NH ₃ )₅ ( H ₂ O ) ] I ₃
Step-by-step solution
Amine ( NH ₃ ) and aqua ( H ₂ O ) are neutral ligands. Oxidation state of Co is +3 . Hence correct formula is [ Co ( NH ₃ )₅ ( H ₂ O ) ] I ₃