1) The pair have the same magnetic moment is[ at no. Cr=24, Mn=25, Fe=26 and Co=27] A) $[Cr(H_2O)_6]^{2+}$ and $[Fe(H_2O)_6]^{2+}$ B) $[Mn(H_2O)_6]^{2+}$ and $[Cr(H_2O)_6]^{2+}$ C) $[CoCl_4]^{2-}$ and $[Fe(H_2O)_6]^{2+}$ D) $[Cr(H_2O)_6]^{2+}$ and $[CoCl_4]^{2-}$ Answer: Option AExplanation:
