JEE Main 202226 Jul, Evening shiftChemistryEasyCoordination Compounds198× since 2002The metal complex that is diamagnetic is (Atomic number: Fe,26;Cu,29)\mathrm{Fe}, 26 ; \mathrm{Cu}, 29)Fe,26;Cu,29)AOption A. K3[Cu(CN)4]\mathrm{K}_{3}\left[\mathrm{Cu}(\mathrm{CN})_{4}\right]K3[Cu(CN)4]BOption B. K2[Cu(CN)4]\mathrm{K}_{2}\left[\mathrm{Cu}(\mathrm{CN})_{4}\right]K2[Cu(CN)4]COption C. K3[Fe(CN)4]\mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{4}\right]K3[Fe(CN)4]DOption D. K4[FeCl6]\mathrm{K}_{4}\left[\mathrm{FeCl}_{6}\right]K4[FeCl6]CheckSkip · show solution
