JEE Main 20238 Apr, Morning shiftChemistryMediumCoordination Compounds198× since 2002Which of the following complex is octahedral, diamagnetic and the most stable?AOption A. Na3[CoCl6]\mathrm{Na}_{3}\left[\mathrm{CoCl}_{6}\right]Na3[CoCl6]BOption B. [Co(H2O)6]Cl2\left[\mathrm{Co}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Cl}_{2}[Co(H2O)6]Cl2COption C. K3[Co(CN)6]\mathrm{K}_{3}\left[\mathrm{Co}(\mathrm{CN})_{6}\right]K3[Co(CN)6]DOption D. [Ni(NH3)6]Cl2\left[\mathrm{Ni}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{2}[Ni(NH3)6]Cl2CheckSkip · show solution
