underset((aq))Co^(2+)+underset((aq))SCN^...

`underset((aq))Co^(2+)+underset((aq))SCN^(-)to` complex (a)
`underset((aq))Ni^(2+)+dmgoverset(NH4OH)to` complex (y)
The CN of Co, Ni in comp,exes (x) & (y) are four
The geometry of complex (x) & (y) are respectively

Tetrahedral & square planar

both tetrahedral

Square planar, tetrahedral

both square planar

Verified by Experts

The correct Answer is:

`X=[Co(SCN)_(4)]^(2-)`
`Y=[Ni(dmg)_(2)]`
Both of them axetetrahedral and `sp^(3)` hybridised.

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underset((aq))Co^(2+)+underset((aq))SCN^(-)to complex (a) underset((aq))Ni^(2+)+dmgoverset(NH4OH)to complex (y) The CN of Co, Ni in comp,exes (x) & (y) are four The geometry of [NiCl_(4)]^(-2)and[NiPph_(3))_(2)Cl_(2)] are

tetrahedral & square planar respectively

both tetrahedral

both square planar

square planar & tetrahedral respectively

‘x' in paramagnetic with two unpaired `e^(-)`

y' is diamagnetic with intermolecular H-bonding

x' is paramagnetic with 3 unpaired e" and 'y' is diamagnetic

x' and 'y' both are diamagnetic

`a`. 16

`b`. 8

`c`. 32

`d`. 24