JEE Main 202125 Feb, Evening shiftChemistryHardCoordination Compounds198× since 2002
In which of the following order the given complex ions are arranged correctly with respect to their decreasing spin only magnetic moment?
(i) [FeF₆]3
(ii) [Co(NH₃)₆]³⁺
(iii) [NiCl₄]2
(iv) [Cu(NH₃)₄]²⁺