1.

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

Answer»

`[CoCl_(4)]^(2-) and [FeH_(2)O)_(6)]^(2+)`
`[CR(H_(2)O)_(6)]^(2+) and [CoCl_(4)]^(2-)`
`[Cr(H_(2)O)_(6)]^(2+) and [Fe(H_(2)O)_(6)]^(2+)`
`[Mn(H_(2)O)_(6)]^(2+) and [Cr(H_(2)O)_(6)]^(2+)`

Answer :C


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