ChemistryMedium60×since 2002Q662Which one of the following complexes will exhibit the least paramagnetic behaviour ? [Atomic number, Cr=24,Mn=25,Fe=26,Co=27\mathrm{Cr}=24, \mathrm{Mn}=25, \mathrm{Fe}=26, \mathrm{Co}=27Cr=24,Mn=25,Fe=26,Co=27]A[Fe(H2O)6]2+\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}[Fe(H2O)6]2+B[Mn(H2O)6]2+\left[\mathrm{Mn}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}[Mn(H2O)6]2+C[Co(H2O)6]2+\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}[Co(H2O)6]2+D[Cr(H2O)6]2+\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}[Cr(H2O)6]2+Check answerSkip