Among the following complexes, how many have 'spin only' magnetic moment of `2.83B.M.`?
`[Ni(CO)_(4)]`, `[Ni(CN)_(4)]^(2-)`, `[Ni(NH_(3))_(6)]^(2+)`, `[NiCl_(4)]^(2-)`, `[NiF_(6)]^(4-)`

Among the following complexes , how many have 'spin only' magnetic moment of 2.83 B.M. ? [Ni(CO)_4],[Ni(CN)_4]^(2-),[NiCl_2( P Ph_3)_2], [NiCl_4]^(2-),[NiF_6]^(2-),[NiF_6]^(4-),[Ni(NH_3)_6]^(2+),[Ni(en)_3]^(2+),[Ni(H_2O)_6]^(2+)

Amongst Ni(CO)_(4),[Ni(CN)_(4)]^(2-) and [NiCl_(4)]^(2-)

Arrange the following complexes in decreasing orger of magnetic moment: [Ni(H_2O)_4]^(2+),[Ni(CN)_4]^(2-),[Fe(CN)_6]^(3-),[Fe(CN)_6]^(4-)

Amongst Ni(CO)_(4),[Ni(CN)_(4)]^(2-) and NiCl_(4)^(2-) :

NiCl_(2)+NH_(3)(excess)to [Ni(NH_(3))_(6)]^(2+)

NiCl_(2)+NH_(3)(excess)to [Ni(NH_(3))_(6)]^(2+)

How many of the following ions have spin mangnetic moment more than 4 B.M . Ti^(3+), Cu^(+), Ni^(2+),Fe^(3+),Mn^(2+), Co^(2+)

Which of the followimg complex compound(s) is/are paramagnetic and low spin? (I) K_(3)[Fe(CN_(6))] (II) [Ni(CO)_(4)]^(0) (III) [Cr(NH_(3))_(6)]^(3+) (IV) [Mn(CN)_(6)]^(4-)

The magnetic moment of complex given below are in the order: (I) [Ni(CO)_(4)] (II) [Mn(CN)_(6)]^(4-) (III) [Cr(NH_(3))_(6)]^(3+) (IV) [CoF_(6)]^(3-)

The magnetic moment of complex given below are in the order: (I) [Ni(CO)_(4)] (II) [Mn(CN)_(6)]^(4-) (III) [Cr(NH_(3))_(6)]^(3+) (IV) [CoF_(6)]^(3-)