2. The pair having the same magnetic moment is: [At. No.: Cr = 24, Mn = 25, Fe = 26, Co = 27](1) [Cr(H2O)6]2+ and [Fe(H2O)6]2+(2) [Mn(H2O)6]2+ and [Cr(H2O)6]2+(3) [CoCl4]2� and [Fe(H2O)6]2+(4) [Cr(H2O)6]2+ and [CoCl4]2�