Question

Which among the following is a correct formula of Pentammineaquacobalt (III) iodide?

विकल्प

• [Co(H₂O)(NH₃)₅]I

• [Co(NH₃)₅l]H₂O

• [Co(NH₃)₅(H₂O)]I₃

• [Co(H₂O)(NH₃)₅l]

Answer 1

[Co(NH₃)₅(H₂O)]I₃

Explanation:

Amine (NH₃) and aqua (H₂O) are neutral ligands. Oxidation state of Co is +3. Hence correct formula is [Co(NH₃)₅(H₂O)]I₃