The co-ordination number of `Fe` and `Co` in the complex ions, `[Fe(C_(2)O_(4))_(3)]^(-3)` and `[Co(SCN)_(4)]^(-2)` are respectively
`3,4`
`6,8`
`4,6`
`6,4`

[Co(C_(2)O_(4))_(3)]^(3-) is a

EAN of Fe in [Fe(C_(2)O_(4)_(3)]^(3-) is .

The complex ion [Fe(CN)_(6)]^(4-) contains:

The hybridization states of the central atom in the complexes [Fe(CN)_(6)]^(3-),[Fe(CN)_(6)]^(4-) and [Co(NO_(2))_(6)]^(3-) are:

Co-ordination number of central atom in Na_(3)[Al(C_(2)O_(4))_(3)] and [Co(en)_(2)Cl]Cl are:

The co-ordination number of Co in [Co(C_(2)O_(4))_(2)Cl_(2)] is

Assertion : Coordination number of Fe and Co in [Fe(C_(2) O_(4))_(3)]^(3-) and [Co(en)_(3)]^(3+) respectively is 6 . Reason : C_(2)O_(4)^(2-) and en (ethane-1 , 2 - diamine) are didentate ligands.

Give the number of unpaired electrons in the following complex ions: [FeF_6]^(4-) and [Fe(CN)_6]^(4-)

What is the coordination number of [Fe(C_2O_4)_3]^(3-) ?

The hybrisation states of the central atom ion in the complex ions [FeF_(6)]^(3-) ,[Fe(H_(2)O))_(6)]^(3+) and [Ni(NH_(3))_(6)]^(2+) are (a) sp^(3)d^(2),dsp^(2) and d^(4)s^(2) respectively (b) all 3d^(2)4s4p^(3) (c ) all 4s 4p^(3) 4d^(2) (d) sp^(3)d^(2), dsp^(3) and p^(4)d^(2) respectively .