The pair having the same magnetic moment is
[at. No. `Cr = 24, Mn = 25, Fe = 26 " and " Co = 27]`
A. `[Cr(H_(2)O)_(6)]^(2+) "and " [Fe(H_(2)O)_(6)]^(2+)`
B. `[Mn (H_(2)O)_(6)]^(2+) " and " [Cr(H_(2)O)_(6)]^(2+)`
C. `[CoCl_(4)]^(2-) " and " [Fe(H_(2)O)_(6)]^(2+)`
D. `[Cr(H_(2)O)_(6)]^(2+) " and " [CoCl_(4)]^(2-)`