The pair having the same magnetic moment is
[at. No. `Cr = 24, Mn = 25, Fe = 26 " and " Co = 27]`

Options

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-)`

Answer

A

Explanation

Each `[Cr(H_(2)O)_(6)]^(2+) and [Fe(H_(2)O)_(6)]^(2+)`
Contain 4 unpaired electron